https://atomicacademia.com/threads/allegiant-can-i-cancel-my-allegiant-flight-without-penalty.66614/

https://forums.serebii.net/threads/6-effective-lufthansa-airlines-customer-service-made-simple-by-phone-chat-and-email-official-guide.777654/

https://atomicacademia.com/threads/effective-communication-with-ethiopian-airlines-customer-service-a-guide-to-call-email-and-chat.68603/

https://airhelpdesk.frontkb.com/en/articles/5462017

https://www.goodreads.com/quotes/12706264-how-do-i-communicate-to-expedia-easy-ways-to

https://www.goodreads.com/quotes/12706264-how-do-i-communicate-to-expedia-easy-ways-to

https://www.goodreads.com/quotes/12706264-how-do-i-communicate-to-expedia-easy-ways-to

https://www.goodreads.com/quotes/12706264-how-do-i-communicate-to-expedia-easy-ways-to

https://www.goodreads.com/quotes/12706264-how-do-i-communicate-to-expedia-easy-ways-to

https://www.goodreads.com/quotes/12706264-how-do-i-communicate-to-expedia-easy-ways-to