Poor customer service at KFC Pinetown, 63 Old Main Road

Yesterday on 19 February 2019 I went to KFC in Pinetown Old Main Road bought 2 meals and their wings special at the drive through. I was in a hurry and that is why I used the drive through. When I got home I realised that the wings were missing. I drove back to KFC' drive through explained the issue at the first window, no apology was issued I was just told to drive to the second window. At the second window my receipt was requested, after seeing my receipt I was told to drive to the third window. No apology was issued at the second window either. I then drove to the third window which was the last window. The receipt was requested yet again and I was asked which of the items on the receipt did I not get and I told the person helping me that it was the wings. She then went, packed the wings, came back and gave them to me with my receipt. I then told her that I had to drive back from home due to this mistake and nobody had uttered a single word of apology. She told me that she is not the one who made the mistake. I told her that even so, it was common courtesy to apologise to the customer on behalf of your colleague because you both represent your employer. She kept quite, looked at me with a blank face. I could clearly see that she did not understand my frustration. I asked her to call her manager. She stood there and shouted the manager's name, "Xolo! Someone wants to speak to you". The manager came and greeted me politely and I explained that my problem was not with the actual mistake but the way it was handled. He then asked me how many wings I'd purchased and he looked around to see what he could offer me for free. That is when I really got ****ed off. I was not looking for a freebie. I just wanted an apology and for someone there to empathise with me, keep a note of the issue, address it with the team so that it does not happen to someone else. Xolani, the manager clearly does not understand that. I still wonder if they did that to me because I'm black or if it that's the kind of service they generally give to everyone.