Terrible service

I need to make a complaint about the absolutely shocking service we’ve just received from not only SAA but O R Tambo staff. Quite frankly I’m appalled and shocked with SAA. I always fly with SAA as I find their service very welcoming, however, my girlfriend and I booked a flight from London Heathrow to Cape Town international via JHB. Firstly our flight was delayed by about half an hour which put us in a very difficult position to catch our transfer flight to Cape Town. In this case we informed SAA staff straight away that we are potentially going to miss our transfer flight. There was no attempt made to help us get our bags any quicker or to baggage check in. We waited for half an hour for our bags to come in through oversize baggage after asking for it to be prioritised due to our flight being in 30 minutes. We then had no help getting from international arrivals to domestic departures knowing very well that its atleast a 20-30 minute process when we only had 10 minutes. We found ourselves running through the airport having no idea where to go and with little help from any O R Tambo staff (and when we did ask for help we were just told ‘it’s not my problem just run’, which is ridiculous. We had to ask people to push in and let us through which should not be our job as we paid for a service through SAA. Our bags were then put on another flight which meant we had to wait another hour for them to arrive. Just terrible experience from start to finish. We will not be flying with SAA anymore.