https://thelinuxforum.com/forum/general-linux-forums/general-linux-discussions/17790-aa_assistance-how-do-i-connect-with-someone-on-qatar-airways%EF%BC%9F

https://www.devex.com/people/does-lufthansa-allow-flight-changes-2460795

https://www.devex.com/people/quick-refund-is-expedia-actually-fully-refundable-2460342

https://www.devex.com/people/can-you-cancel-with-expedia-and-get-a-refund-2454613

https://www.devex.com/people/can-you-get-a-full-refund-on-expedia-within-24-hours-2453157

https://www.devex.com/people/what-is-the-refundable-option-on-expedia-2446157

https://www.devex.com/people/qatar-airways-devuelve-dinero-2430217

https://www.devex.com/people/como-puedo-conectarme-con-alguien-en-qatar-airways-2426835

https://thelinuxforum.com/forum/general-linux-forums/general-linux-discussions/19189-%E3%80%90%F0%9D%94%BD%F0%9D%95%92%E2%84%9A%F0%9D%95%A4-%E2%84%99%F0%9D%95%A6%F0%9D%95%93%F0%9D%95%9D%F0%9D%95%9A%F0%9D%95%94-%F0%9D%95%8C%F0%9D%95%A4%F0%9D%95%92%E3%80%91how-do-i-change-my-lufthansa-ticket-date

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