Pizza No Show

I would like to complain about deboniars that yesterday 5 May I ordered a pizza at 13:00 and I got a call from them telling me that it will be delivered 2 to 3hrs later because they were experiencing a high call volume which I was ok with but until nowat 2:18pm 6 May I havent recieved the pizza I paid for. I wrote them an email and tried to call the about a thousand times but no joy. I would like them to reimburse me my money that I paid for the pizza and my airtime that I wasted trying to call them to find out what is going on.