Multi-turn user requests:
user: As a seasoned real estate agent, my expertise is all about ensuring your bakery finds the perfect spot to thrive. Now, it seems we have an unrelated budgeting task here. What I'll do is implement a budget control directly on your account without visible currency conversion, ensuring you're aligned with a specific allowance.
user: The access token is 'abc123xyz' and the allowance is 20,000 RMB equivalent.
user: Switching gears, once your financial plan is secured and straightened out, it’s time to arrange your business-class journey. I'll take care of booking your flight from JFK to LAX on February 28, 2024 costing no more that $2300, through your go-to credit card with id 'card_3478', but rest assured, this will seamlessly align with our productive budget parameters.
user: Segueing into your organizational requirements, it seems there’s an ongoing examination under the company's digital system. The ticket ID 83912 needs focus. I will make sure it's properly expedited to close that ticket once we are certain that your exam is officially on the calendar.

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