Multi-turn user requests:
user: Consider this: A patient, a traveler in this context, wants to book a flight using the card with id 'card_7629' and the access token 'abc123xyz', expiring on 10/2025, with CVV 456. They intend to fly from Los Angeles to Tokyo on December 15, 2024, in business class, estimated at $1,200.
user: Reflect on the importance of verifying information. Our traveler needs to confirm their flight booking's details for assurance.

Involved API classes: TicketAPI
TravelAPI

Initial environment state:
TravelAPI: credit_card_list: card_7629: card_number: 3821-4892-1843-7629
expiry_date: 10/2025
cvv: 456
cardholder_name: Michael Thompson
balance: 29000
access_token: abc123xyz
token_type: Bearer
token_expires_in: 3600
token_scope: booking
user_first_name: Michael
user_last_name: Thompson
budget_limit: 5000
TicketAPI: ticket_queue: ticket_001: title: Care Coordination Challenges
description: Issues with booking and itinerary changes
status: open
priority: 4

Ground-truth function call path:
TravelAPI.register_credit_card
TravelAPI.book_flight
TravelAPI.retrieve_invoice
TravelAPI.contact_customer_support
TravelAPI.cancel_booking
TicketAPI.create_ticket
TicketAPI.close_ticket

Functions held out until the model asks (by turn index):
1: book_flight