https://www.wyomilitary.wyo.gov/wp-content/uploads/formidable/14/e-x-p-e-dia-usa-customer-service-full-step-by-step-guide.pdf

https://education.aaaai.org/sites/default/files/webform/complete-list-of-official-expedia-customer-contact-numbers-in-the-usa-the-ultimate-detailed-guide.pdf

https://www.lakegeorge.com/event/talk-to-a-live-agent-at-delta-air-lines-usa-detailed-effortless-2025-customer-support-guide-268087/

https://www.thefreshloaf.com/node/77309/16-ways-talk-live-united-airlinesr-agent-step-step-help

https://educativ.net/forums/topic/41010-10-ways-to-connect-with-a-live-agent-at-frontier-airlines-ua010/

https://educativ.net/forums/topic/40992-full-list-of-delta-airlines-customer%C2%AE-contact-numbers-in-usa-a-ultimate-step-by-step-guide/

https://travelguideflyer.zohodesk.com/portal/en/kb/articles/experts-dial-how-do-i-speak-at-someone-on-singapore-airlines

https://educativ.net/forums/topic/40967-livetalk-to-someone-at-delta-%E2%84%A2%EF%B8%8F-usa-contact-numbers%E2%80%93the-detailed-guide/

https://allairlinehelpdesk.blogspot.com/2025/08/expedia-usa-customer-service-numbers.html

https://educativ.net/forums/topic/40935-full-list-of-american-airlines-customer%C2%AE-contact-numbers-in-usa-a-ultimate-step-by-step-guide/