Bad attitude

It was around lunch time when I went to buy pizza at Roman's pizza Mmabatho where I was insulted by the manager.I went in to collect my order the cashier was busy with other clients so I asked the guy behind the counter to assist,I then asked him to stamp my receipt as I have forgotten my stamp booklet he said such has never been done I then explained to him that it has never been a problem before.I then said to him it's fine then I don't want the pizza anymore,he then said that the stamps have nothing to do with pizza and then he said I qoute"why onale bad attitude so?"I have never seen such service,being insulted as a customer spending my money.to my surprise he is the manager George Mogoje