VODACOM

I have a contract with Vodacom i phoned last year to down grade my package because of covid they then down graded my airtime package. I phoned again this year to ensure the procedures for cancelling my contract the operator then said to me my devices will expire in Jan 2021 but i have to pay for the airtime until June 22. Now when i phoned to ensure the devices is cancelled in Jan the operator said sorry the whole contract only expires in June 2022 i cannot get through to vodacom to get the recording for the previous phone call is there anybody that can help.