Hainan Airlines booking management solutions. The airline provides other services in addition to the possibility of seeking the booking; other services are booking changes, booking management prior to trip, seat and other additional services, check, and insurance. Booking may be accessed through the Hainan Airlines website and mobile app. If the booking is made via a travel agency, they are responsible for managing it in the same way. As for the customer, the Manage Booking service enables making order changes, seat selection, additional attention requests, check, and insurance addition. Cancellation and refund of flights before the departure date shall be conducted via Hainan Airlines.