https://superuser.com/questions/1882645/faqs-flex-what-does-flexible-cancellation-on-priceline-mean
https://superuser.com/questions/1882645/faqs-flex-what-does-flexible-cancellation-on-priceline-meanhttps://superuser.com/questions/1882645/faqs-flex-what-does-flexible-cancellation-on-priceline-mean