Multi-turn user requests:
user: I'm planning to fly from San Francisco to Los Angeles on October 15, 2024. Could you assist in securing a first-class seat using my travel card with id 'travel_card_12345'? Everything you need—access token (abc123xyz456), traveler details—are at the ready.
user: Once my flight is booked, I'd appreciate an itemized invoice reflecting every cost involved. I must ensure the expenses align with my expectations this time around.
user: The booking id is '5431449' and the access token is 'abc123xyz456'.
user: I seem to have hit a hurdle with my reservation—please contact customer support immediately to resolve a last-minute complication.
user: Kindly create a 'Urgent Flight Issue' ticket with all customer support interactions included. This matter demands immediate attention.
user: Could you enhance the ticket's details by updating its status to urgently reflect the highest priority?

Ground-truth function call sequence:
TravelAPI.get_flight_cost
TravelAPI.book_flight
TravelAPI.cancel_booking
TravelAPI.retrieve_invoice
TravelAPI.contact_customer_support
TicketAPI.create_ticket
TicketAPI.edit_ticket