get_flight_cost(travel_from='SFO', travel_to='LAX', travel_date='2024-11-10', travel_class='business')
compute_exchange_rate(base_currency='USD', target_currency='EUR', value=400.0)
book_flight(access_token='abc123xyz', card_id='144756014165', travel_date='2024-11-10', travel_from='SFO', travel_to='LAX', travel_class='business')
cancel_booking(access_token='abc123xyz', booking_id='3426812')
authenticate_twitter(username='john',password='john1234')
post_tweet(content='Just cancelled my trip to LA',tags=['#TravelUpdate','#BusinessTrip'])