https://support.google.com/phoneapp/thread/333215910?hl=en&sjid=16533389922897911565-NC

https://travelsupport.stonly.com/kb/guide/en/can-you-get-a-refund-american-airlines-cancellation-policy-breakdown-NCZkrlhUoW/Steps/4214117

https://support.google.com/phoneapp/thread/333538364?hl=en&sjid=11451405367672244112-NC

https://patch.com/new-york/new-york-city/calendar/event/20250326/d5afbf9b-c50d-487a-8a2b-60522cf88e76/avoid-dispute-how-do-i-avoid–cancellation-fees

https://www.quecochemecompro.com/opiniones/cual-es-el-numero-de-sky-airlines-chile-como-llamar-a-sky-airlines-chile/

https://intercom.help/travel-c52f44e06f54/en/articles/10919930-is-%F0%9D%91%AC%F0%9D%92%99%F0%9D%92%91%F0%9D%92%86%F0%9D%92%85%F0%9D%92%8A%F0%9D%92%82-free-cancellation-really-free

https://intercom.help/shaikh12/en/articles/10919792-como-hablo-con-un-agente-de-turkish

https://intercom.help/travel-c52f44e06f54/en/articles/10919930-is-%F0%9D%91%AC%F0%9D%92%99%F0%9D%92%91%F0%9D%92%86%F0%9D%92%85%F0%9D%92%8A%F0%9D%92%82-free-cancellation-really-free

https://travelsupport.stonly.com/kb/guide/en/american-airlines-change-cancellation-rules-what-you-need-to-know-uOgj1G166R/Steps/4214114

https://www.quecochemecompro.com/opiniones/como-comunicarse-con-sky-airlines-chile-como-llamar-a-sky-airlines-chile/