https://club.autodoc.co.uk/forum/topic/how-can-i-speak-to-someone-at-expedia-hotel-number-a-complete-guide
https://www.rcindia.org/rc-general-topics/03-ways-to-speak-to-someone-at-british-airways-usa-a-travel-support-gu-38597/new/#new
https://polyamory.com/threads/1-877-634-9250-ways-to-talk-to-live-agent-at-united-r-airline-r-a-complete-guide.158232/
https://www.rcindia.org/beginners-zone/13-ways-for-british-airways-global-customer-experience-and-support-~-operations/new/#new