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

https://allarilinesfly.uvdesk.com/en/blog/ways-to-delta-airlines-customer-support-call-chat-or-email-a-real-person-anytime

https://www.italki.com/en/post/tkxcWmD8xyJUY2vginWxDu?utm_source=copylink_share&utm_medium=share_content&utm_campaign=product_marketing

https://southwest-fly.uvdesk.com/en/blog/ways-to-phone-southwest-airlines-customer-service-by-phone-email-and-chat

https://www.italki.com/en/post/tkxcWmD8xyJUY2vginWxgI

https://www.goodreads.com/quotes/12708505-how-do-i-ask-a-question-on-expedia-if-you-need

https://hubpages.com/community/forum/366163/what-is-the-cheapest-day-to-fly-on-frontier-airlines

https://www.goodreads.com/quotes/12708193-how-do-i-communicate-to-expedia-quick-communication-tips-when-you

https://travelguide.uvdesk.com/en/blog/frontier-airlines-phone-number-guide-talk-to-a-human

https://www.goodreads.com/quotes/12708505-how-do-i-ask-a-question-on-expedia-if-you-need