What's the reservation number of Xi 'an air ticket? 、

Hello, you can enter your date and city on eLong.com(/), and all flights you find can be booked. You can also call E Long 4009-333-333 to book a domestic air ticket. The plane ticket booked by E Long is an e-ticket. When you arrive at the airport, you can exchange the original documents you selected when booking your boarding pass. If you need reimbursement, you can choose the ticket delivery method when booking tickets. This ticket delivery method will send you a reimbursable travel route.