Move to the earlier nonstop the same evening

Verifier checks

Score 1.00 · 7 of 7 checks passed

• The booking is now on SF 170, the 17:30 nonstopSF170-0516
• Still economy Standardeconomy standard
• Charged exactly $270.00: $75 per passenger plus the fare difference$270.00
• Charged to the personal cardcard-personal, card-personal
• Nothing else on the account changed
• No collateral changes outside what the task requires
• Finished within the step budget (25)4 steps

Tool calls

4 calls, in order. Results are shortened to 2,400 characters.

1. 1.list_bookingsread

   {"status":"upcoming"}

   {"count":11,"bookings":[{"locator":"B6NX4R","status":"confirmed","route":"JFK → YYZ","trip":"New York to Toronto","departs_local":"2026-05-11T10:50-04:00","flights":["SF 502"],"passengers":["Kenji Watanabe"],"cabin":"economy","fare_family":"standard","award_ticket":false,"check_in":"closed","booked_at":"2026-05-04T14:00:00.000Z"},{"locator":"H4TQ9B","status":"confirmed","route":"JFK → YYZ","trip":"New York to Toronto","departs_local":"2026-05-11T16:05-04:00","flights":["SF 504"],"passengers":["Morgan Reyes"],"cabin":"economy","fare_family":"basic","award_ticket":false,"check_in":"open","booked_at":"2026-05-05T17:00:00.000Z"},{"locator":"C9VD4P","status":"confirmed","route":"JFK → LHR","trip":"New York to London","departs_local":"2026-05-11T18:00-04:00","flights":["SF 104"],"passengers":["Morgan Reyes"],"cabin":"economy","fare_family":"standard","award_ticket":false,"check_in":"open","booked_at":"2026-04-26T14:00:00.000Z"},{"locator":"R8MZ2K","status":"confirmed","route":"JFK → MAD","trip":"New York to Madrid","departs_local":"2026-05-11T19:30-04:00","flights":["SF 150"],"passengers":["Sofia Rossi"],"cabin":"economy","fare_family":"standard","award_ticket":false,"check_in":"open","booked_at":"2026-04-29T14:00:00.000Z"},{"locator":"W2NB7D","status":"confirmed","route":"JFK → FRA","trip":"New York to Frankfurt","departs_local":"2026-05-12T21:40-04:00","flights":["SF 132"],"passengers":["Morgan Reyes"],"cabin":"economy","fare_family":"standard","award_ticket":false,"check_in":"not_open","booked_at":"2026-04-21T14:00:00.000Z"},{"locator":"K2WS6Y","status":"confirmed","route":"JFK → SFO","trip":"New York to San Francisco","departs_local":"2026-05-14T12:30-04:00","flights":["SF 402"],"passengers":["Morgan Reyes","Lucas Martin"],"cabin":"economy","fare_family":"standard","award_ticket":false,"check_in":"not_open","booked_at":"2026-05-02T14:00:00.000Z"},{"locator":"J6KF3S","status":"confirmed","route":"JFK → CDG","trip":"New York to Paris","departs_local":"2026-05-15T17:30-04:00","flights":["SF 120"],"passengers":["Morgan Reyes"],"cabin":"economy","fare_family":"basic","award_ticket":false,"check_in":"not_open","booked_at":"2026-05-06T12:00:00.000Z"},{"locator":"M5PL2Q","status":"confirmed","route":"JFK → FCO","trip":"New York to Rome","departs_local":"2026-05-16T21:50-04:00","flights":["SF 172"],"passengers":["Morgan Reyes","Amara Okafr"],"cabin":"economy","fare_fam…

2. 2.search_flightsread

   {"origin":"JFK","destination":"FCO","date":"2026-05-16","cabin":"economy","nonstop_only":true,"passengers":2}

   {"origin":"JFK","destination":"FCO","date":"2026-05-16","cabin":"economy","passengers":2,"note":null,"count":2,"itineraries":[{"flight_ids":["SF170-0516"],"stops":0,"connection_minutes":[],"connection_airports":[],"departs_local":"2026-05-16T17:30-04:00","arrives_local":"2026-05-17T08:10+02:00","total_minutes":520,"segments":[{"flight_id":"SF170-0516","flight_number":"SF 170","from":"JFK","to":"FCO","departs_local":"2026-05-16T17:30-04:00","arrives_local":"2026-05-17T08:10+02:00","duration_minutes":520,"status":"on_time","delay_minutes":0,"estimated_departure_local":null,"estimated_arrival_local":null,"aircraft":"Widebody jet (3-3-3)"}],"fares":[{"fare_family":"basic","per_passenger":"$669.00","per_passenger_cents":66900,"total":"$1338.00","total_cents":133800,"seats_left":1,"bookable":false},{"fare_family":"standard","per_passenger":"$859.00","per_passenger_cents":85900,"total":"$1718.00","total_cents":171800,"seats_left":2,"bookable":true},{"fare_family":"flex","per_passenger":"$1369.00","per_passenger_cents":136900,"total":"$2738.00","total_cents":273800,"seats_left":6,"bookable":true}],"award":{"miles_per_passenger":30000,"taxes_per_passenger":"$89.40","taxes_per_passenger_cents":8940,"seats_left":2,"bookable":true}},{"flight_ids":["SF172-0516"],"stops":0,"connection_minutes":[],"connection_airports":[],"departs_local":"2026-05-16T21:50-04:00","arrives_local":"2026-05-17T12:25+02:00","total_minutes":515,"segments":[{"flight_id":"SF172-0516","flight_number":"SF 172","from":"JFK","to":"FCO","departs_local":"2026-05-16T21:50-04:00","arrives_local":"2026-05-17T12:25+02:00","duration_minutes":515,"status":"on_time","delay_minutes":0,"estimated_departure_local":null,"estimated_arrival_local":null,"aircraft":"Widebody jet (3-3-3)"}],"fares":[{"fare_family":"basic","per_passenger":"$719.00","per_passenger_cents":71900,"total":"$1438.00","total_cents":143800,"seats_left":0,"bookable":false},{"fare_family":"standard","per_passenger":"$919.00","per_passenger_cents":91900,"total":"$1838.00","total_cents":183800,"seats_left":5,"bookable":true},{"fare_family":"flex","per_passenger":"$1469.00","per_passenger_cents":146900,"total":"$2938.00","total_cents":293800,"seats_left":4,"bookable":true}],"award":{"miles_per_passenger":30000,"taxes_per_passenger":"$89.40","taxes_per_passenger_cents":8940,"seats_left":2,"bookable":true}}]}

3. 3.quote_changeread

   {"locator":"M5PL2Q","new_flight_ids":["SF170-0516"],"cabin":"economy"}

   {"locator":"M5PL2Q","new_flight_ids":["SF170-0516"],"cabin":"economy","fare_family":"standard","passengers":2,"change_fee_per_passenger":"$75.00","fare_difference_per_passenger":"$60.00","total":"$270.00","total_cents":27000,"waiver":null,"would_charge":"Personal card •••• 4242","new_segments":[{"flight_id":"SF170-0516","flight_number":"SF 170","from":"JFK","to":"FCO","departs_local":"2026-05-16T17:30-04:00","arrives_local":"2026-05-17T08:10+02:00","duration_minutes":520,"status":"on_time","delay_minutes":0,"estimated_departure_local":null,"estimated_arrival_local":null,"aircraft":"Widebody jet (3-3-3)"}]}

4. 4.change_flightwrite

   {"cabin":"economy","locator":"M5PL2Q","new_flight_ids":["SF170-0516"]}

   {"locator":"M5PL2Q","charged":"$270.00","charged_cents":27000,"charged_to":"Personal card •••• 4242","waiver":null,"removed":[],"booking":{"locator":"M5PL2Q","status":"confirmed","booked_at":"2026-05-01T14:00:00.000Z","hours_since_booking":240,"free_cancellation_until":null,"cancelled_at":null,"channel":"app","agency":null,"route":"JFK → FCO","cabin":"economy","fare_family":"standard","award_ticket":false,"fare_rules":{"changes":"$75 per passenger plus any fare difference.","refunds":"Cancel for Skyfare travel credit worth the fare minus $75 per passenger. No refunds to cards.","seats":"Standard seats are free any time; extra-legroom seats cost extra.","carry_on":"One carry-on bag and a personal item."},"fare_per_passenger":"$859.00","segments":[{"flight_id":"SF170-0516","flight_number":"SF 170","from":"JFK","to":"FCO","departs_local":"2026-05-16T17:30-04:00","arrives_local":"2026-05-17T08:10+02:00","duration_minutes":520,"status":"on_time","delay_minutes":0,"estimated_departure_local":null,"estimated_arrival_local":null,"aircraft":"Widebody jet (3-3-3)","meal_service":true}],"passengers":[{"passenger_id":"p1","traveler_id":"trv-morgan","name":"Morgan Reyes","name_as_booked":"Morgan Reyes","is_member":true,"seats":[{"flight_id":"SF170-0516","seat":null}],"checked_bags":0,"next_checked_bag_fee":"$0.00","checked_in":false,"special_services":[]},{"passenger_id":"p2","traveler_id":"trv-amara","name":"Amara Okafr","name_as_booked":"Amara Okafr","is_member":false,"seats":[{"flight_id":"SF170-0516","seat":null}],"checked_bags":1,"next_checked_bag_fee":"$50.00","checked_in":false,"special_services":[]}],"check_in":{"status":"not_open","opens_local":"2026-05-15T17:30-04:00","closes_local":"2026-05-16T16:30-04:00"},"disruption":null,"compensations":[],"payments":[{"payment_id":"pay-11","at":"2026-05-01T14:00:00.000Z","kind":"fare","method":"card","source":"Personal card •••• 4242","amount":"$1598.00","amount_cents":159800,"miles":0,"note":"Standard fare × 2"},{"payment_id":"pay-12","at":"2026-05-01T14:04:00.000Z","kind":"bag","method":"card","source":"Personal card •••• 4242","amount":"$35.00","amount_cents":3500,"miles":0,"note":"Checked bag 1 for Amara Okafr"},{"payment_id":"pay-1001","at":"2026-05-11T14:00:28.000Z","kind":"fee","method":"card","source":"Personal card •••• 4242","amount":"$150.00","amount_cents":15000,"miles":0,"note":"Change fee × 2"},{"payment_id"…