https://support.google.com/assistant/thread/304203837?hl=en
https://www.devex.com/people/what-days-are-frontier-flights-cheapest-instant-cheap-flights-2059730
https://www.mycompiler.io/view/8XQ6VfANkW8
https://www.mycompiler.io/view/I9tvjQBHEms
https://www.devex.com/people/what-is-the-cancellation-policy-for-united-airlines-2058996https://www.devex.com/people/what-is-the-cancellatio...
https://webapps.stackexchange.com/questions/179156/what-is-the-cancelation-policy-for-american-airlineshttps://webapps.stackexchange.com/que...
https://community.runtheedge.com/threads/18667380738-tm-does-frontier-let-you-cancel-in-24-hours-24-7-call-now.4335/
https://community.runtheedge.com/threads/question-solution-with-refund-does-frontier-give-refunds-for-canceled-flights-travel-guide.3962/
https://community.runtheedge.com/threads/18667380738-tm-what-is-the-cancellation-policy-for-frontier-refundpolicy.3764/
https://community.smartsheet.com/profile/flyfrontiercnce
https://community.smartsheet.com/profile/frontierflights
https://community.truecaller.com/forums/topic/3669-18667380738-%E2%84%8C%F0%9D%94%AC%F0%9D%94%B4-%F0%9D%94%A1%F0%9D%94%AC%F0%9D%94%A2%F0%9D%...