https://www.giantbomb.com/forums/general-discussion-30/askunitedhow-do-i-ask-a-question-on-united-airline-1927018/

https://www.devex.com/people/does-qatar-have-a-24-hour-cancellation-policy-_-_-2455333

Does American offer fully refundable tickets

https://tinyurl.com/3mb7ustt

Guia RaPida ¿Cómo hablo con alguien en United

https://www.devex.com/people/is-aeromexico-giving-refunds-2455444

https://www.devex.com/people/_-how-do-i-know-if-my-united-ticket-is-refundable-2455546

https://www.devex.com/people/_-_-what-is-the-aeromexico-hour-policy-2455544

https://www.devex.com/people/how-to-reschedule-my-allegiant-flight-ticket-date-reservation-2455459

https://tinyurl.com/fbvtcszb