You can perform the following steps:
1. Activate My Profile feature:
- Swipe to open the toolbar at the bottom of the Vietnam Airlines app home screen, enter your phone number and select "Verify";
- Enter the OTP code sent to the registered phone number.
Access My Profile feature:
- Access My Profile at the bottom toolbar of the Vietnam Airlines app home screen;
- Select "Manage Booking", then select "All".
The My Profile feature will automatically save flight information according to the phone number declared in the reservation code.