Bad customer service

I was at Capitec in St Georges branch, a lady name (Amanda)was trying to help me with my app and i also wanted to know more about their investments.Whilst waiting for a ticket i was approached by a white gentleman Leo Geldenhuys asking me in a very abrupt tone of voice asking me if Im a customer i do not work there so what else am i doing in the bank. I was taken aback by the way this gentleman spoke to me extremely rude and uncalled for. I am very upset and considering taking my business elsewhere. Please educate your staff as to how to deal with clients because your company’s reputation is at stake.