Paledi Build It poor customer service

I recently went to purchase building materials at Paledi Buildit and they said they would deliver the same day. Three days later they call me to tell me they won't deliver because they sold my cements to someone else. When I got to the store I tried to speak to the manager he says it's not his problem and that he doesn't have cement anymore and cement is not even an essential. Why sell it in the first place? Was it an essential when they sold to it someone else? The level of disrespect the manager showed me shocked me. He said I should come to him in the boardroom busy drinking tea. He said he will refund me or 'maybe deliver' same day or whenever he gets the cements. What is maybe when we have paid for the products and delivery? Customer service is poor and the disrespect because I am a woman was a shame. How do you manage a store if you are not even willing to listen to their concerns? I am writing to find out if this behavior is in line with Build It customer care and satisfaction policies? The manager was very defensive which shows that this is normal behavior for them. It means they are used to doing it and getting away with it. They seem to have forgotten that “If you don't appreciate your customers, someone else will.” Or do they not care?