I find it incredibly hard to believe that a multi ...

I find it incredibly hard to believe that a multi million dollar conglomerate like Uber does not have a working telephone number. this is beyond me. I was overcharged 5 $40 on a $20 ride and they refused to refund me. I am over Uber, if they do not refund my money I will definitely unsubscribe and move my business to lyft considering that I am a loyal customer