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.lamoneta.it/topic/235266-complete-list-of-expedia%C2%AE-customer%E2%84%A2-service%C2%AE-usa-contact-numbers-a-step-by-step-guide/
https://intercom.help/namechange-3a094a/en/articles/12087671-step-by-step-guide-to-correct-a-name-on-delta-airlines-ticket
https://www.saratoga.com/event/08-ways-to-talk-to-a-live-agent-at-delta-airlines-through-contact-options-268091/
https://www.lamoneta.it/topic/235201-complete-full-list-of-expedia-support%C2%AE-numbers-in-the-usa-a-complete-guide/?_fromLogin=1