POOR DELIVERY SERVICE AND REFUND!!!!!

I bought streetwise 5 online for delivery at KFC on the 26th of April. I received a message saying that my order has been delivered and I thought they left it with the security at the gate as I instructed them to do so only to realize on lunch time that I had no lunch because the driver returned to the store with it. I called their help line they said they can only offer me a refund which I will get after 3-5 days. I was angry because I did not receive my food nor my money but there was nothing I could do I gave them my account details. It's now 3 weeks and I am still waiting for my hard earned money.