https://support.cgu.edu/hc/en-us/community/posts/32081531870868-2024-Refund-What-is-the-cancellation-policy-for-Expedia-Refund-Cancellation
https://community.clover.com/questions/94458/1-877-660-6474-how-to-speak-to-a-live-person-at-at-11.html
https://www.corvetteforum.com/forums/c8-general-discussion/4880300-ua-cancellation-what-is-the-cancellation-policy-on-nited.html#post1608336113
https://www.corvetteforum.com/forums/c8-general-discussion/4880286-how-early-can-you-check-in-for-singapore-airlines.html#post1608336090
