Bad service and attitude

I visited debonairs Pizza in madadeni branch,a guy who was on a till as cashier whose name is Mondli Mpotshane.took my order then asked method of payment I said card he gave the machine to swap and he left I put my pin and waited for him after 5 minute another lady ask whether I've been assisted I responded that I'm waiting for my slip she came and assist only to find out that Mondli didn't place an order and the payment didn't went through.i ask to speak to him why he left me without finishing my order the respond I got was that I can take my money if I'm not satisfied with his service.i continued placing and paying for my order.can give a picture of the pizza i received q