https://community.ring.com/conversations/ring-device-tips/dayoffer-what-is-the-cheapest-day-to-buy-tickets-on/67eb65aa66bea62fe182da45

https://travelsolution.helpsite.com/articles/131745-how-do-i-contact-delta-airlines-customer-service-via-phone-chat-mail

https://intercom.help/expedia-76bf19176f4c/en/articles/11007805-can-you-talk-to-someone-on-expedia

https://intercom.help/expedia-76bf19176f4c/en/articles/11006416-how-do-i-ask-a-question-at-expedia

https://community.ring.com/conversations/ring-device-tips/dayoffer-what-is-the-cheapest-day-to-buy-tickets-on/67eb65aa66bea62fe182da45

https://travelsolution.helpsite.com/articles/131744-ways-to-reach-delta-airlines-support-by-phone-chat-and-email

https://intercom.help/expedia-76bf19176f4c/en/articles/11006923-human-how-do-i-get-a-human-at-expedia

https://travelsolution.helpsite.com/articles/131743-how-do-i-speak-to-someone-at-delta-airlines-customer-service-quickreply

https://intercom.help/expedia-76bf19176f4c/en/articles/11006955-how-do-i-communicate-with-expedia-help-support

https://www.goodreads.com/quotes/12687921-how-do-i-ask-a-question-at-expedia-to-ask