"I cancelled hotel booking well in advance and during the free cancellation period using the hotels.com mobile app. It's no longer appeared in my 'upcoming stays' section of the app so naturally I believed that the cancellation request had been completed correctly. However, months later, I then received an email from hotels.com asking me how my check in was! I contacted hotels.com immediately to let them know that at an error with with their cancellation had obviously occurred and they said they...