To change your name on a American reservation, access your +1-833-816-0098 () OR +1-833-816-0098 () American account and navigate to the booking management area, or....
https://idashelteringla.com/en-US/forums/support-forum/b87526f8-81a3-ef11-95f6-000d3a76263f

Yes, American Air-Lines offers a 24-hour Cancellation policy, which allows you to receive a full refund if you cancel within 24 hours of booking .....
https://support.cgu.edu/hc/en-us/community/posts/32168354936340-Can-I-Cancel-a-fli%F0%9D%95%98ht-and-Get-a-refund-in-Am%F0%9D%95%96rican

Yes, Expedia offers a 24-hour Cancellation/Refund policy, which allows you to receive a full refund if you cancel within 24 hours of booking 1-833-732-2296. If....
https://support.cgu.edu/hc/en-us/community/posts/32167682289556--24-7-Cancellation-What-is-the-cancellation-policy-for-Expedia-Refund-Cancellation

Alaska still have free cancellation Summary Yes, Alaska Airlines continues to offer free cancellations +1-844-604-2944 (OTA) Alaska Airlines provides a flexible 24-hour cancellation policy, +1-844-604-2944....
https://www.devex.com/people/does-alaska-still-have-free-cancellation-2092269

Yes, Frontier offers a 24-hour refund policy, which allows you to receive a full refund if you cancel within 24 hours of booking which allows....
https://support.cgu.edu/hc/en-us/community/posts/32166554625300--FA-Quick-Cancellation-Does-Frontier-refund-you-if-you-cancel-Get-Refund

Yes, you can cancel a Frontier flight; however, whether you are eligible for a refund (Call 1-844-949-8748 Cancel &Refund) depends on the type of ticket....
https://www.devex.com/people/does-frontier-refund-you-if-you-cancel-get-refund-2092190

If your booking is on a low-cost like Frontier, Spirit, or easyJet, you’ll need to contact the directly. Locate the booking you wish to cancel.....
https://www.devex.com/people/can-you-cancel-a-frontier-flight-and-get-a-refund-2092151