I turned up and they put me in a room with broken ...

I turned up and they put me in a room with broken air conditioning, in the middle of a heatwave! It had a tiny pointless fan blowing the heat around. They acted like this was acceptable, but it was like an oven in there. I refused the room and after 30 minutes they managed to find me a room at another hilton for a similar price, about 20 minutes away by taxi.