Multi-turn user requests:
user: Please confirm the details for traveler Matt Bradley. His birth date is April 23, 1995, and his passport starts with 'US', numbered 9148817941. We need to make sure everything checks out before proceeding with the booking.
user: Wonderful! Next step is identifying the closest airport to Rivermist so I can arrange flights to Los Angeles for the upcoming month at 2024, 11/15. Let's handle the booking using the travel details provided, utilizing my go-to credit card with id 'card_2023' and the accompanying access token 'abc123xyz456' to complete the processing.
user: The booking's in place, and I'd love to review the invoice details. Can you fetch the invoice from the latest booking to ensure every cost is properly listed?
user: I've got a few questions regarding the booking. Could you reach out on my behalf to customer support to saying 'Requesting clarification on booking details'?
user: I'm thinking about adjusting my travel plans shortly. When you get a chance, please cancel my prior booking and ensure the charge is refunded to my card.
user: To share the experience with my buddies, I'd like to craft a tweet about my recent travel escapades and tag the airline for extra visibility. Let's throw in some hashtags #TravelSuccess #RivermistJourney. Here's my information, username is 'john' and password 'john1234'. The message to send is 'Just booked a flight to LA!' 

Involved API classes: TwitterAPI
TravelAPI

Initial environment state:
TravelAPI: credit_card_list: card_2023: card_number: **** **** **** 2023
expiry_date: 12/25
cardholder_name: Matt Bradley
balance: 5000
access_token: abc123xyz456
token_type: Bearer
token_expires_in: 3600
token_scope: booking
user_first_name: Matt
user_last_name: Bradley
budget_limit: 1000
TwitterAPI: tweet_counter: 10
tweets: 0: id: 0
username: john
content: Just booked a flight to LA! #TravelSuccess #RivermistJourney
tags: #TravelSuccess
#RivermistJourney
1: id: 1
username: john
content: Exploring new destinations! #AdventureAwaits
tags: #AdventureAwaits
2: id: 2
username: john
content: Can't wait for my trip to Los Angeles! #Excited
tags: #Excited
username: john
password: john1234

Ground-truth function call path:
TravelAPI.verify_traveler_information
TravelAPI.get_nearest_airport_by_city
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):
6: authenticate_twitter