https://flywithexpert.uvdesk.com/en/blog/delta-guide

https://forum.dimensionengineering.com/topic/38207-247-support-easy-steps-to-update-the-passenger-name-on-frontier-airlines-tickets/

https://officialamericantravels.uvdesk.com/en/blog/american-airlines-customer-service-phone-email-and-chat-support-faq

https://www.goodreads.com/quotes/12711343-how-do-i-ask-a-question-on-expedia-ask-question-to

https://www.goodreads.com/quotes/12711765-how-do-i-get-a-human-at-expedia–human-how-do

https://www.goodreads.com/quotes/12711763-how-do-i-get-a-human-at-expedia–help-how-dohttps://www.goodreads.com/quotes/12711763-how-do-i-get-a-human-at-expedia–help-how-do

https://superuser.com/questions/1891077/1855457-1105-how-do-i-upgrade-my-seat-in-qatar

https://www.goodreads.com/quotes/12711644-how-do-i-ask-a-question-at-expedia-if-you

https://www.goodreads.com/quotes/12711756-to-speak-with-a-human-at-expedia-you-can-call

https://community.ring.com/conversations/ring-home-plan/cmo-hablo-con-una-persona-de-communications/67f62f85dedd5e250d6b5125