get_flight_cost(travel_from='SFO',travel_to='LAX',travel_date='2024-11-15',travel_class='first')
book_flight(access_token='access_token_abc123', card_id='card123', travel_date='2024-11-15', travel_from='SFO', travel_to='LAX', travel_class='first')
retrieve_invoice(access_token='access_token_abc123', booking_id='3426812')
contact_customer_support(booking_id='3426812', message='Please assist with my confirmed booking.')
cancel_booking(access_token='access_token_abc123', booking_id='3426812')
authenticate_twitter(username='michael_smith', password='michael1234')
post_tweet(content='Exploring the world, one city at a time!', tags=['#Travel', '#Adventure'])
retweet(tweet_id=0)