Billing fault

I am very disappointed at the service received from Multi choice customer service they had disconnected me incorrectly and loaded a re-connection fee, the 2 agents (Renai) and supervisor WAAJDAH PAHER all confirmed and apologized all promised i will be assisted in 72 working hours but it has been 20 days now. it is very expensive to call them but when they do answer the level of incompetency is shocking, too quick to disconnect but zero customer complaint resolution