Manager behaving inappropriately

I was at the Capitec branch in Silverlakes. I arrived 16:20 wanting to do a credit application which i have been struggeling with for about 3 weeks now. The staff are unqualified and cannot read a payslip. I eventually found a worker who were able to understand it ( thulani) and he went out of his way to help me. Unfortunately today he was unable to help me, and another worker helped me. We had to go to the manager because there was a problem with the application since the offices were closed and my employer can only be contacted through a cellphone number. The manager told me in a very rude way that she cannot do anything about it, and then she also did not understand my payslip and started arguing with me. She then stood up, went to her office, got her things, and just left without resolving the matter. It is totally inappropriate, since the matter was not even resolved and she did not even come to inform us about anything. It is totally unacceptable and someone with an attitude like that can not be the manager of a branch when speaking to a client with such attitude and just leaving without informing me! I am very unhappy!