Ключевые слова: airliner, airplane, airport, airport security, app, attendant, boarding pass, checkin, checkin kiosk, commute, confirmation, customer, departure gate, digital ticket, document, email, expiration date, facetoface, flight, id, identification, journey, line, mobile device, notification, online booking, paper ticket, passport, queue, receiving, reservation, seat assignment, security clearance, selfservice, service counter, smartphone, ticket, transportation, travel, validity, verification, woman,