Account over billing

DSTV (MultiChoice) are just a bunch of ******, these people have been overbilling my account and they've been disconnecting my services for the whole of September (2019) month, I've been waiting for the finance department to call me to this date, Multichoice please resolve this issue, I am tired of calling your call center every 3rd day then beg them to reconnect my services, I am unable to can.