https://www.devex.com/people/atar-faq-s-does-qatar-have-a-free-cancellation-policy-2466717

https://knowt.com/note/1093ebf8-75c1-41de-ae54-de2d1b6a7393/Terms-and-ProceduresDoes-Lufthansa-res

https://thelinuxforum.com/forum/general-linux-forums/general-linux-discussions/19343-%E3%80%90-rules-and-fees%E3%80%91does-lufthansa-reschedule

https://www.devex.com/people/how-to-change-name-on-united-airlines-ticket-your-guide-2481456

https://www.devex.com/people/air-canada-airlines-name-change-and-correction-fees-what-to-expect-2481433

https://www.devex.com/people/no-wait-times-how-to-change-name-on-united-flight-ticket-2481436

https://www.devex.com/people/how-to-update-your-name-on-air-canada-airlines-booking-without-fees-2481432

https://www.devex.com/people/how-to-correct-your-name-on-air-canada-airlines-tickets-online-2481430

https://www.devex.com/people/what-documentation-you-need-for-a-name-change-on-air-canada-airlines-2481428

https://www.devex.com/people/fast-accurate-how-to-change-passenger-name-on-united-ticket-online-2481425