Makro non-arrival of order and lack of "Customer Care"

I placed an order from Montague Gardens branch on 2nd August and received a dispatch note on 5th August. It didn't arrive. I have phoned 3 times, sent 2 x emails and eventually received a reply 3 days later. I was promised they would look into it. I received a phone call around 15th August asking if it had arrived and I said it hadn't and was told they'd get back to me Since then I've heard nothing. I am appalled and am still without my purchase.