CITILINER - terrible customer service

We booked a trip from Nelspruit to JHB and then connecting bus to PE. Our Bus broke down for 2hours. (Things happen and not the company's fault) but then because of this we missed our connecting bus. When we arrived the manager on duty was not informed about this delay. Well that is what he said to us. We got a refund for this trip and that is it. We were now stranded at park station because thier bus was late. They did not ensure we were okay. If I missed my bus because it was my own fault well me being stranded at park station would be my own issue. But we are now at a place because of Greyhound. When I complaine and ask for a compensation for this massive inconvenience and for zero customer care all I get told is that it was not thier fault that the bus broke down and everyone was informed and that there is nothing more the company can do for us. Such terrible customer care. We had to make a plan on the evening for something that was caused on the companies side but we were offered nothing for the inconvenience caused for us. Then to top it all off, I had to beg them for a reply an then I get an email saying they forgot about my complaint, meaning if I did not hound them for a reply I would never have gotten one.