https://pressbooks.pub/travelservicemain/chapter/how-much-does-it-cost-to-cancel-frontier/

https://pressbooks.pub/travelservicemain/chapter/%e3%80%90expedia-refund%e3%80%91how-do-i-file-a-dispute-with-expedia/

https://pressbooks.pub/travelservicemain/chapter/%e3%80%90airline_info%e3%80%91is-air-france-open-on-24-7/

https://pressbooks.pub/travelservicemain/chapter/air-francehow-to-change-a-name-on-your-air-france-airlines-ticket/

https://pressbooks.pub/travelservicemain/chapter/%f0%9d%9f%b7-%f0%9d%9f%be%f0%9d%9f%bb%f0%9d%9f%bb-%f0%9d%9f%bb%f0%9d%9f%bb%f0%9d%9f%b6-%f0%9d%9f%b6%f0%9d%9f%bf%f0%9d%9f%bd%f0%9d%9f%b7-what-is-the-basic-economy-on-united/

https://pressbooks.pub/travelservicemain/chapter/is-air-france-open-on-24-7-faqs/

https://pressbooks.pub/travelservicemain/chapter/does-delta-have-offices-in-nyc-%f0%9d%9f%b7-%f0%9d%9f%be%f0%9d%9f%be%f0%9d%9f%be-%f0%9d%9f%bd%f0%9d%9f%b9%f0%9d%9f%be-%f0%9d%9f%b6%f0%9d%9f%be%f0%9d%9f%b9%f0%9d%9f%ba/

https://support.google.com/business/thread/324696943?hl=tr&sjid=15382312517043400824-NA

https://pressbooks.pub/travelservicemain/chapter/how-to-change-a-name-on-your-air-france-airlines-ticket/

https://pressbooks.pub/travelservicemain/chapter/%f0%9d%9f%b7-%f0%9d%9f%be%f0%9d%9f%bb%f0%9d%9f%bb-%f0%9d%9f%bb%f0%9d%9f%bb%f0%9d%9f%b6-%f0%9d%9f%b6%f0%9d%9f%bf%f0%9d%9f%bd%f0%9d%9f%b7-can-i-change-the-name-on-a-united-airlines-ticket/