https://airlinetravelhelpdesk.zohosites.com/blogs/post/Top-Ways-to-Contact-Expedia-for-Flight-Reservations-and-Refunds

https://official-airlines-help-center.zohosites.com/blogs/post/7-Ways-To-Talk-To-Someone-At-United-Airlines-Via-Phone-Email-Or-Chat-Options-A-Step-by-Step-Guide

https://forum.sienci.com/t/7-ways-to-reach-expedia-customer-service-via-phone-email-and-chats/20413

https://official-airlines-help-center.zohosites.com/blogs/post/9-ways-to-connect-with-american-airlines-how-to-reach-travel-assistance-in-minutes-%E2%80%93-a-detailed-cust

https://unitedairlinehelpdesk.zohosites.com/blogs/post/7-Seven-United-Airlines-Customer-Service-Direct-Contact-Options-for-Travelers

https://official-airlines-help-center.zohosites.com/blogs/post/12-Ways-to-Speak-to-Someone-at-American-Airlines%C2%AE-Through-Contact-Options-A-Step-by-Step-Guide

https://unitedairlinehelpdesk.zohosites.com/blogs/post/How-to-Get-in-Touch-with-United-Airline-for-Travel-Booking-And-Changes

https://official-airlines-help-center.zohosites.com/blogs/post/Nine-Ways-To-Contact-How-Can-I-Talk-To-Someone-at-American-Airlines-A-Step-By-Step-Guide

https://official-airlines-help-center.zohosites.com/blogs/post/6-Proven-Ways-to-Reach-American-Airlines-Customer-Service

https://official-airlines-help-center.zohosites.com/blogs/post/13-Ways-to-Connect-to-Someone-at-Expedia-Through-Contact-Options-A-Step-by-Step-Guide