Breach of contract

On the 10th I went to buy ceiling material and tiles. Besides the inconvenience of having to go to two separate departments to confirm my orders We were told We can’t pay at the building department for the tiles and that We must confirm if the stock is available from both departments separately, After the ups and downs we went to pay But was told delivery has to be for the 16th six days after. We accepted paid and left but guess what the order did not come. I paid and received nothing. We called their call center spoke to ntibaleng who got my query but didn’t call back with a resolution and that was the second call, we then called back and spoke to khethiwe who called back and accused us of not paying in full. According to her only the tiles were paid for and not the ceiling material. The builders came and left, today it’s Friday night they said they will come back tomorrow morning and guess what still no delivery. This is costing me more than it should , the unnecessary expense is too much and it makes me wonder who will compensate me and my husband for the costs and all of what we going through