Very bad service

We went to the Centurion branch on Saturday 22 October to order food. Items advertised on the menu did not even appear on the self service ordering machine. We went to the till point to order and the lady advised that we cannot order the items from her. We then went to the new branch at Irene Link shopping centre. The food was ordered and while waiting we decided to get ourselves a soft serve cone with a flake each. I ordered on the self service station and made the payment. After almost 12 minutes the gentleman came around and said we need to order something else because they do not have flakes. I explained to him that we do not want ice cream in a tub with chocolate sauce because then I would have ordered same. I asked him to cancel the order and refund me for my payment which was a bit of an issue from his side. KFC need to work on this self service station and if the branch do not have stock of an item same should not be available to order on the self service station and paid for because now you have already paid for an item which the branch cannot provide and they instruct you to order something else? And they also do not want to cancel the transaction and refund you your money. The whole family was disgusted with the manor in which the branches are operated and the attitude of the personnel. This is unfortunately not the way paying customers should be treated. I reported the matter on KFC customer care. They advised that they tried to contact me. No missed call. They then requested an alternative number and the invoice. I forwarded same to then but have not heard from them again. They just ignore you and hope you will forget about the matter. Luckily a new Chicken Licken has opened close to me so farewell KFC.