Problem with fiber

Its been 3 weeks since we reported our fiber issue to mweb everytime they say they escalate the problem to vodacom and when you call vodacom they say mweb must sort out the problem, when we ask them to cancel the service they want to charges us over R2000,for what a service that we don't even get, every 6 months it's the same problem over and over

Now its month end and they want me to pay for the service i did not even have.