Multi-turn user requests:
user: I'm organizing a trip from San Francisco to Rome on October 10th 2024 and considering to fly business class. Secure a flight reservation that aligns with my financial constraints using my card and access token. Be sure to convert the ticket cost to EUR for an accurate currency reference.
user: The card id is card_7243 and the access token is 'abc123xyz'.
user: I wish to secure travel insurance for this booking to safeguard against potential unexpected situations. Ensure the insurance is approximately 150 euros and utilize the same card, assuming it has adequate funds. Opt for 'travel' type insurance.
user: Now, consolidate an invoice covering my flight and the insurance costs. This will allow me to verify the comprehensive expense and ensure each detail is accurate within a single document.
user: I’m keen to share the thrilling announcement of my upcoming trip on Twitter, expressing "Off to Rome! Can't wait to explore the ancient wonders and dive into Italian cuisine! #RomeTrip #Adventure". Authenticate with username 'michael_thompson' and password '18948522222f'.
user: Would you also kindly append a thoughtful comment to the tweet: "Safe travels and enjoy every moment!"

Ground-truth function call sequence:
TravelAPI.compute_exchange_rate
TravelAPI.get_flight_cost
TravelAPI.book_flight
TravelAPI.purchase_insurance
TravelAPI.retrieve_invoice
TwitterAPI.post_tweet
TwitterAPI.comment