Multi-turn user requests:
user: As a high-ranking government official residing in Rivermist, I require assistance in determining the cost of first-class travel from my local airport to JFK International Airport on the 15th of December, 2024. I need the most competitive price available.
user: After ascertaining the flight costs, secure a booking for me utilizing my secured access and charge it to my card with id card_4526 and access code secure_access_token_987654321, ensuring all the details align perfectly with my professional profile.
user: Please retrieve the invoice from the flight booking recently made; I need to verify that all entries are correct before my departure.
user: There has been a problem with my booking and I previously reached out to support without any feedback yet. Kindly contact customer support on my behalf, emphasizing the smooth facilitation of my travel arrangements.
user: Due to unforeseen changes in my schedule, I am contemplating cancelling my flight. Initiate the cancellation and ensure this procedure is executed faultlessly and promptly.
user: Lastly, draft and publish a tweet on my official account with username 'john' and password 'john1234' notifying the postponement of my plans, with tweet 'Postponing my plans.' Incorporate hashtags such as #Travel, #PlansChanged, and mention @AirlineSupport for expedited assistance.

Involved API classes: TwitterAPI
TravelAPI

Initial environment state:
TravelAPI: credit_card_list: card_4526: card_number: 6349158723094526
cardholder_name: Alexander Hamilton
expiry_date: 12/25
cvv: 123
balance: 14500
access_token: secure_access_token_987654321
token_type: Bearer
token_expires_in: 3600
token_scope: full_access
user_first_name: Alexander
user_last_name: Hamilton
budget_limit: 5000
TwitterAPI: tweet_counter: 10
tweets: 0: id: 0
username: john
content: Just landed in NYC! #Travel
tags: #Travel
1: id: 1
username: john
content: Excited for the conference tomorrow! #BusinessTrip
tags: #BusinessTrip
2: id: 2
username: john
content: Exploring the city before my meeting. #NYC
tags: #NYC
username: john
password: john1234

Ground-truth function call path:
TravelAPI.get_nearest_airport_by_city
TravelAPI.get_flight_cost
TravelAPI.book_flight
TravelAPI.retrieve_invoice
TravelAPI.contact_customer_support
TravelAPI.cancel_booking
TwitterAPI.post_tweet

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