Cell C Fibre

I requested, in May 2021 via email, that my fibre line be terminated on the 30 June 2021. Cell C acknowledged receipt. On the 30 May 2021 they terminated my line bur debited my account on the 01 June 2021. The call centre operator acknowledges that the error is on Cell C's side bur advises that I will have to re-apply for a fibre service??? My ***