Bad customer service and interaction from Makro Strubens Valley

Makro Strubens Valley is clearly the worst Makro store. I bought 2 stoves on Saturday and was told they would deliver today and I even booked an installer to do the gas for me. I have been trying since this morning to get through to them to find out about my delivery. It just rang all the time. I eventually got through after 3pm and was put through to the delivery co-ordinator. After explaining my issue, I was told she is not in her office at the moment and would put me through to her manager, yeah sure, It rang for another 4 minutes and cut off. I tried again and could not get through as it only rang after the IVR played. I eventually phoned Makro's national call centre (***) and even they could not get through to the store. I tried another couple of times and eventually the call was answered again. I asked to speak to the manager and explained the issue. I was put on hold for more than 4 minutes with no interaction. I phoned back and after the 4th try got answered again and unfortunately I was now at the end of my string with them. I never lose my cool over the phone and today I did because of their poor service. Why should I get the run-around without a proper answer!! Makro's personnel clearly don't care about service, just their sales. What must I do to get an answer about when the stoves will be delivered??? Is that so complicated???