The Telkom contract

I requested that one of my contact be cancelled on 27 May 2025; I was promised it will be cancelled immediately no isssues as it was running month to month, made a follow-up on 30 May 2025 iwas informed that they could see the request for cancellation online but unfortunetely the call centre agent informed me that she can't do anything as the matter was with cancellation department. I was transfered to cancellation department i waited on the queue for 2 hours till the dropped, i made a follow up on 31 May 2025 still nothing can you pleaswe assist me