They misinformed me and never reverted with a repl

I wanted to buy 2 duvet covers on line and they were on 50% sale. But on the description of the items, they had written misleading information. on both items they written the similar description mean while the price difference was a 1000 rands. And on 50% discount the price difference was 500 rands. So upon trying to place a sale i realised something was amiss. So i went to a nearby board mans which is 30km's from where I stay and they checked on their system and found that an error was made on the e-commerce store and then they told me to take it up with the online team for sale completion as I would've purchased both items had they supp**** correct information. But the sale had closed the day before I went to the store in Richard's bay. I then sent them an email called them followed up with them to ask to complete my sale with the discounted price since they are the ones that had made a mistake, but I was never responded to at some point while calling them they dropped on me while on the call. Eventually a lady by the name of Nomzekelo Mnini emailed with the reply that the buyers were the one's not responding since they were the one's to make a decision. I told them I was going