https://support.google.com/edu/classroom/thread/335079340?hl=en&sjid=4228382063770384694-NC

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

https://intercom.help/expedia-76bf19176f4c/en/articles/11007190-how-do-i-escalate-a-problem-with-expedia

https://www.goodreads.com/quotes/12687938-how-do-i-ask-a-question-at-expedia-to-ask

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

https://intercom.help/expedia-76bf19176f4c/en/articles/11006882-can-you-transfer-an-airline-ticket-to-someone-else-american

https://support.google.com/edu/classroom/thread/335079428?hl=en&sjid=2859815435269573669-NA

https://support.google.com/business/thread/335081920?hl=es&sjid=3997304060991024910-NC

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

https://support.google.com/edu/classroom/thread/335079340?hl=en&sjid=4228382063770384694-NC