Some times various airlines
Manage My Booking that show information that others do not
If you put the PNR in UL manage my booking, it has a tab that can list all the fare compents (of your existing eticket). May be hard to decode
But may or may not work
-->
https://www.srilankan.com/en_uk/plan...e-your-booking
QR Qatar MMB acceptes e-ticket number