get_flight_cost(travel_from='LAX', travel_to='JFK', travel_date='2024-11-15', travel_class='business')
book_flight(access_token='abc123xyz', card_id='id15583', travel_date='2024-11-15', travel_from='LAX', travel_to='JFK', travel_class='business')
purchase_insurance(access_token='abc123xyz', insurance_type='comprehensive', insurance_cost=120.0, booking_id='3426812', card_id='id15583')