********** upgrading without consent

I called in on the 24th January to cancell my contract that expired August 2017. I was offered 3 deals, which I declined and the agent said she would call me back 9AM the next morning to make a final decision. I was not contacted again, but received an sms saying I have upgraded to another plan. When I called and spoke to a supervisor, he said he will listen to the recorded conversation and call me back shortly. No on called, so I called again on the 30th, spoke to another supervisor who said he cancelled the new contract, and cancelled my existing contract from 31 January 2018. I even received an sms saying the case has been resolved and closed. I went to telkom to move my number to them, but it got rejected by Vodacom. When I called Vodacom, they said I still have a new contract with them (The one that was **********ly done by the agent on the 24th January!!) I am still waiting for response so my number can be ported to Telkom mobile, but with no response from Vodacom. I will need to open a case of ***** at the SAPS if this does not get sorted out immediately!