https://thelinuxforum.com/forum/general-linux-forums/general-linux-discussions/14604-refund-policy-2025-is-expedia-actually-fully-refundable

https://www.devex.com/people/q-como-puedo-comunicarme-con-frontier-en-espanol-2479956

Airlines

https://connect.mayoclinic.org/discussion/is-ba-fully-refundable-3/

https://www.devex.com/people/how-much-pet-fee-american-airlines-fee-to-fly-with-your-animals-2479862

https://www.devex.com/people/guia-rapida-cuanto-cobra-frontier-por-maleta-en-el-aeropuerto-2479949

https://support.withings.com/hc/en-us/community/posts/31804743048593–C%C3%B3mo-llamar-a-Delta-desde-M%C3%A9xico-USA

https://www.devex.com/people/cambio-completo-como-puedo-cambiar-mi-vuelo-en-frontier-airlines-2479946

https://support.withings.com/hc/en-us/community/posts/31804707733009–C%C3%B3mo-llamar-a-Delta-desde-M%C3%A9xico

https://connect.mayoclinic.org/discussion/can-i-change-my-name-on-my-lufthansa-ticket-4/