https://www.italki.com/en/post/0yDa5IpoXGMJSZfilgI97B

https://airlinesupporthelp.zendesk.com/hc/en-us/articles/36538219803540-Ways-to-Call-United-Airlines-Customer-Service-by-Phone-Chat-SMS-and-FAQ

https://support.google.com/calendar/thread/337739432?hl=en&notify=new&sjid=7081753101264224579-NC

https://community.whattoexpect.com/forums/april-2019-babies/topic/how-to-speak-directly-at-united-airlines-169539901.html

https://support.google.com/nonprofits/thread/337738430?hl=en&sjid=17906824319259479933-NC

https://www.goodreads.com/quotes/12721893-how-do-i-communicate-to-expedia-call-instant-when-you

https://community.whattoexpect.com/forums/baby-name-game/topic/how-to-reach-united-airlines-support-by-phone-email-and-chat-a-quick-guide-169539910.html

https://www.goodreads.com/quotes/12721851-how-do-i-get-a-human-at-expedia-if-you

https://support.google.com/admob/thread/337734711?authuser=1&hl=en&sjid=11078204485897963629-NC

https://www.goodreads.com/quotes/12721836-what-is-the-best-time-to-book-allegiant-flights-booking-for