Multi-turn user requests:
user: I need to arrange a business class flight for Robert Trenton from San Francisco to Los Angeles on November 25th 2024. The reservation should be made using his travel card with id card_3487 and access code 1293. Following the booking, I have to ensure an invoice is issued to verify the charges.
user: Robert Trenton wants to convey his satisfaction with his recent flight on Twitter. I need to compose a tweet saying 'Loved my flight journey!' accompanied by the hashtag #TravelDiaries. If you need to log in, here's my username 'john' and password 'john1234'. Afterward, the post should be retweeted from his travel account to maximize visibility among his followers.

Tool classes involved: TwitterAPI
TravelAPI

Ground-truth function call path:
TravelAPI.get_flight_cost
TravelAPI.book_flight
TravelAPI.retrieve_invoice
TwitterAPI.post_tweet
TwitterAPI.retweet