Complaints about canceling contracts and they upgrade with out my consent vodacom

Am really not happy with the service from the cancelation department, I canceled contact with vodacom on the 13/7/2022. Where I have 3 contact with them the one I canceled was due to expire on 18/7/2022 ,but the consultant went and upgraded while I requested to canceled.

Then he went to upgraded one of my other contract with 75% off call rates, I even have the sms off cancelation but still no feedback I have been calling vodacom from this number *** till no feedback, I which to go to they head office but my work environment doesn't allow me.

The reference number I have don't even help I asked them to listen to the recording still no feedback am tired off this poor service am customer more the 10 years then this is the service I received. Happy really no happy