verify_traveler_information(first_name='Michael', last_name='Smith', date_of_birth='1962-02-14', passport_number='P87654321')
get_nearest_airport_by_city(location='Chicago')
get_flight_cost(travel_from='ORD', travel_to='LAX', travel_date='2024-08-10', travel_class='economy')
set_budget_limit(access_token='token_ABC123XYZ', budget_limit=1500)
book_flight(access_token='token_ABC123XYZ', card_id='card1', travel_date='2024-08-10', travel_from='ORD', travel_to='LAX', travel_class='economy')
view_messages_sent()