Multi-turn user requests:
user: Gearing up for some exciting travel adventures! I wish to put a firm budget in place, setting a cap equivalent to 50,000 RMB for my upcoming European excursions. I'd appreciate if you could take charge of the conversion and establish a budget framework for me using the access token 'abc123xyz'.
user: With financial preparations in order, my next move is booking a flight. Please employ my card with the id primary_8970 and previously given access token to arrange a round trip journey from London Heathrow (LHR) to Paris Charles de Gaulle (CDG) in business class on November 15, 2024. Ensure the spending aligns with the actual flight cost.
user: Regrettably, an unforeseen circumstance dictates that I cancel my flight. Would you be able to manage the cancellation and consequently recalibrate the budget?
user: The booking id is '5431449' and the access token is 'abc123xyz'.
user: While executing the flight cancellation, a hurdle presented itself. Kindly initiate a support ticket titled 'Cancellation Issue', documenting the error details thoroughly in the description to facilitate proper tracking.
user: I've received an update regarding the support ticket and it's vital to bring this to closure swiftly. Please proceed with any further necessary actions to resolve this concern conclusively.

Ground-truth function call sequence:
TravelAPI.compute_exchange_rate
TravelAPI.set_budget_limit
TravelAPI.book_flight
TravelAPI.cancel_booking
TicketAPI.create_ticket
TicketAPI.get_ticket
TicketAPI.resolve_ticket