Rude cashier at chicken licken rustenburg midtown msll

There's a lady who was helping us at the till last week Sunday we waited 10 mins for the lady to assist us while she was having a conversation with her colleague I then joked with her that I will help her the lady shouted at me n said im inquisitive and I shouldn't involve my self in her chats she then said to me cant I see that she's busy. We started shouting at each other I've never seen such a rude person. She was using Elizabeth's till at chicken licken midtown mall