DSTV call centre agents useless

I have attempted to cancel my DSTV service for more than 3 months.

On the 23rd June I called the *** number and attempted to cancel my Dstv account. It seemed that all was done and that my account was cancelled. Alas when arriving at home the service was still on.

On the 30th July I stopped the debit order with FNB. The debit order was not stopped and still it went off.

On the 19th August I spoke to another call centre agent , making my intentions clear of canceling the service. I received a reference number I 140. But the service continued.

On the 25th August 2019 the debit order went off again. I had my debit order reversed and I once again phoned the call centre , an agent by the name of Nlanhla assisted me , he provided me with a reference number I 141. Still no joy.

On the 25 September 2019, I called into the call centre once again ***) first call was dropped and I called again, I spoke to an agent with the name of Navina, she promised me to escalate the request and that the people in charge would phone me back..........Up till now nobody has returned my call or stopped the service.

I request urgent intervention as you can never speak to a manager or somebody in charge. The debit order was stopped but still the debit order is presented for payment.