Multi-turn user requests:
user: I'm considering flying from Los Angeles Internationa (LAX) to John F. Kennedy (JFK) in business class on November 15, 2024. What would this flight typically cost?
user: Once I know the cost, I need that in pounds sterling — it's easier for my budget planning. Let's base future travel expenses on $10,000 using access token 'abc123xyz'.
user: Okay, I've sorted out my budget. Let's go ahead and book the flight as we discussed. Use my card — it's the one with id card_1496 —.
user: I noticed there's a ticket linked with this booking that I no longer find necessary. Can you cancel it on my behalf?

Involved API classes: TicketAPI
TravelAPI

Initial environment state:
TravelAPI: credit_card_list: card_1496: card_number: **** **** **** 1496
expiry_date: 12/25
cardholder_name: Michael Thompson
balance: 15000
access_token: abc123xyz
token_type: Bearer
token_expires_in: 3600
token_scope: read_write
user_first_name: Michael
user_last_name: Thompson
budget_limit: 10000
TicketAPI: ticket_queue: id: ticket_001
booking_id: booking_001
issue: Unnecessary ticket
status: Open

Ground-truth function call path:
TravelAPI.get_flight_cost
TravelAPI.compute_exchange_rate
TravelAPI.set_budget_limit
TravelAPI.book_flight
TicketAPI.close_ticket

Functions held out until the model asks (by turn index):
2: compute_exchange_rate