I want my refund UberEays!!!!!!

I have always used UberEats and not once had any issues, until today. This was my family's supper for the evening and my order was not delivered, the app showed delivered, but nothing was received. I work from home, and my desk faces the window, so I can see when delivers arrive. The delivery guy did not contact me, he did not hoot or make his presence known, he did not even wait the 8 mins. The time I did see him, was when he drove off, I shouted out the window and he continued to drive off, also the app did not show the GPS movement of the driver either. I contacted the take aways to confirm if they did give my order to the driver; they provided me with his name and contact number which was pointless cause the number provided went straight to voicemail. I have sent a complaint on UberEats platform and thus far no one has contacted me. I also don't understand how they do not have a call centre for us to contact to sort out these issues immediately. I am a single parent, and the one time I want to spoil my family this happens. I want my refund ASAP.