Unbelievably problematic payment system

<p>We booked a flight 3 times and each time it got cancelled due to SAA being unable to process payment despite trying to pay using valid cards from 2 different banks. Only persisted because SAA is the only airline that does the route. Spoke to 3 different people at the call centre and none of them were willing to escalate to a manager. Terribly inefficient and incapable :-/ Flight is for a sickly passenger that needs assistance which made the whole experience even worse. </p>