Online Orders

On the 23 November (black Friday) I bought furniture online to the value of R12 000. The network was not so good and paying online was not easy. I tried to make a paymemt more than 4 times and there was always error messages. To my surprise after some hours OK sent me four order numbers ,which showed me that I paid four times for my one order. So I run to the nearest branch and asked them to cancel three orders in which they did call and canceled. They then sent me one invoice and orderd me to go and collect my goods at the nearest OK store. When I arrive at the store I was told that there is no stock so I should wait until I receive a call. Till then I am still waiting for the store to call me and also I have been calling OK everyday to enquire about my refund as I paid four times for one order, but always I am told that someone will call me back. Nobody is returning my calls, nobody is answering my emails.I am frustrated because I need my refund and my goods also. Please help.