E-tickets are not transferable. If you wish to change the traveler name on the E-ticket, you may have to refund the original ticket and issue a new ticket for the new customer. Ticket fare rules and conditions will apply.
For assistance contact your local offices, contact details can be found in the following link https://www.qatarairways.com/en/worldwide-offices.html
To request a refund, click on the link below
https://www.qatarairways.com/en/refund-request.html