un Authorised contract

On the 29 of April 2020 I went to Vodaworld Vodacom to cancel a contract that I asked the to cancel which that was last year for data ***. I was helped by sales consultant Kea Monyake she told me to bring an affidavit which I did. She told me that it will be resolved by the next 14 working days and Ill be refunded if I did not authorized the renewal. she called cancelation which they told us they need to listed to the recording and refund if they are on fault because they records say my contract ends in 2021 march. today I was help by Ruth Mutlwane she told me that it has not yet been cancelled but it is on month to month now. this data line which the number is ***. and they are still deducting the money no one has called me as yet 1 June 2020