Air Busan airline offers the Manage Booking system to its customers. The system allows customers to manage their bookings by making changes, cancellations, and more. Customers can access the system by logging into their Air Busan account on the website or mobile app and then select Manage Booking. The system enables customers to access their itinerary and flight booking and make any updates necessary. . Moreover, customers can also use the system to check in for their flight and Print Boarding Pass online. Additionally, they can view allowable baggage and fees, change seats, and make any special requests.