Bad experience at McDonald's Vryburg

This one is for a McDonald's Vryburg that can't read and can't get orders right is the 4th time it happenI ordered 3 mcflurries only got 1 they lady at the window told me i only ordered 1 then I showed her my slip that show 3 then she said she don't know then I also ordered a Big Mac large and got a mc chicken burgerbwith no sause or garnish bybthe way and my wife got herself the normal chicken fold over and got garlic infested foldover and she can eat garlic the meat was cooked the day Jesus was born and then shipped to my burger I know its a new place in Vryburg but they not gonna last long if this continues im only one of the clients in Vryburg how does the other get treated