DID NOT RECEIVE FOOD FROM uber eats I WANT MY MONEY BACK

I ordered food today using Uber eats never received my food I have been waiting outside for my food driver did not arrive next thing I got a pop from Uber eats that order is completed , order that I did not even receive i wish I have read reviews here before ordering will never order food by uber eats again clearly they ****ming people delivery driver was Evra it was my last cent did not eat whole day at work that time still need to my medications ..I WANT MY MONEY BACK I dont know what is the use of the code they give when drivers ***** from them