Incorrect billing and poor service

Firstly, one star is not deserved, anyway. I got my services disconnected before my payment date. I called in customer care, where I was assisted by Thulile Mbambo from the Durban customer care division. Who advised that upon checking my account it is on a zero balance and didn't understand why I was disconnected. I asked to be transferred to her supervisor Vera Everton who is very cold and bluntly cold who is not willing whatsoever to listen or assist. who tells me that I now owe 337, which I don't know surfaced from where and when from the time I spoke to Thulile. She couldn't account for it or explain but told me I will remain disconnected until the billing department completes an investigation. I reiterated many time that I am entitled to services as I have paid, I then ask her to refer me to someone who is willing to assist or her superior only to land back at Thulile. I then called again and was assisted by a polite lady who met and exceeded my customer expectation and went back as Aug 2018 to date which indicated I was paying in excess since Aug. Now can DSTV get their systems right and always provide training to their staff to enhance our customer service. I didn't appreciate the treatment from the two Durban ladies and would like this to be followed up and actioned. I would like to applaud Makhosazana from Randburg for assisting.