Ackermans' disgrace of a service

I went to Ackermans at Protea Glen mall on the 16/12/2018 to make an exchange as they were the only store with sizes near me. The store was full of customers and they were making sales. The rude guy at the door told me that they cannot do the exchange for me as the 'exchange' system is offline and if I do not believe him I could ask another lady with no name tag. The lady did not even respond when I greeted her, did not care to look at me while I asked her questions, felt like I was a waste of her time. How can the exchanges be offline while sales were being processed? I was not even given an opportunity to speak to the manager when I asked to, I wanted to find out when it will be on line if such a thing does really exist. There staff was unbelievably rude. There was only 1 person with name tag and that's the rude guy at the door, I think it was Sifiso or Sandile. Over and above everything, they were laughing as I left the store. Felt very humiliated. I wouldn't even recommend a ****roach in my house to visit that store.