Bad service

I places an order with Pick n pay asap on saturday ,the driver called me once then left I called him back and he told me he returned my groceries back to the store and they will be delivered the next day...I was expecting the delivery to be done 1st thing sunday morning but NO I had to call the call centre and was told they will reschedule a delivery that was on sunday today is Wednesday NO delivery has been done and No refund in my account as my money was deducted. I have sent countless email got countless references but no delivery nor refund. I call the call centre and no one answers. The service is pathetic for such a huge company. It is revolting that I know have to take my time and energy for something that was supposed to be done.