https://intercom.help/tanavsinghani/en/articles/10793734-how-do-i-get-a-human-at-expedia-coustmer-support-by-expedia-fast
https://www.scannerdanner.com/forum/welcome-mat/30654-how-long-are-united-flight-credits-valid-after-cancellation.html
https://intercom.help/airlineshelpdesk/en/articles/10793463-estados-unidos-como-hablo-con-una-persona-real-en-qatar-airways
https://www.scannerdanner.com/forum/welcome-mat/30652-can-you-cancel-united-flights-easy-steps-for-refunds-credits-and-policies.html