https://official-qatarairways21-helpcenter.github.io/-_en--_us-/qatar-airways-support-by-phone-and-email-your-complete-guide-to-hassle-free-contact/

https://official-british-help-desk.github.io/-_en--_us-/british-airways-support-by-phone-and-email-your-complete-guide-to-hassle-free-contact/

https://official-american-help-desk.github.io/-en--us-/5-ways-to-make-a-call-american-airline-customer-service-via-phone-email-and-live-chat-enhancing-customer-experience-with-effective-support/

https://official-united-help-desk.github.io/-en--us-/7-ways-to-make-a-call-united-airline-airline-customer-service-via-phone-email-and-live-chat-enhancing-customer-experience-with-effective-support/

https://official-delta-help-desk.github.io/-en--us-/8-ways-to-make-a-call-delta-airline-customer-service-via-phone-email-and-live-chat-enhancing-customer-experience-with-effective-support/