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

https://ulvac-techno.microsoftcrmportals.com/ja-JP/forums/general-discussion/073b2500-b4d3-ef11-95f5-6045bd637d5d

https://thelinuxforum.com/forum/general-linux-forums/general-linux-discussions/19143-%E3%80%90customerservice%E3%80%91how-do-i-communicate-with-iberia

https://knowt.com/note/24682c60-9763-4416-a736-fdb8aaa8812a/-TechSupport-How-do-I-communicate-with

https://www.devex.com/people/how-to-request-a-name-change-due-to-marriage-on-air-canada-airlines-2481455

https://knowt.com/note/983511b1-0572-4afc-92d8-2e4bc1e7bea0/Relation-with-LufthansaWhat-is-the-24-h

https://thelinuxforum.com/forum/general-linux-forums/general-linux-discussions/19166-%E3%80%90lufthansa-service%E3%80%91what-is-the-24-hour-rule-with-lufthansa

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://thelinuxforum.com/forum/general-linux-forums/general-linux-discussions/19399-qatar~does-qatar-have-a-free-cancellation-policy-~qa~cancel~desk

https://knowt.com/note/327b4f2f-1333-446a-921d-709f99a4d5a2/HelpGuideWhat-is-the-24-hour-rule