giảm những chi phí không cần thiết , khách hàng không có nhu cầu sử dụng như in vé máy bay hay boarding pass được thay thế bằng email và khách hàng cũng có thể tự in vé hoặc chỉ cần nhớ mã số vé
reduce the unnecessary cost, customers do not need to use as printed ticket or boarding pass was replaced by email and the customer can also print tickets yourself or just remember the ticket code
reduce unnecessary costs, customers do not need to use as print boarding passes or airline tickets is replaced by email and customers can also print the ticket or tickets just remember numbers