Shocking Service from Vodacom!

Vodacom have to be the worst service provider ever. My contract came to an end and I phoned to cancel the contract on 30/08/2021 and told I need to give a months notice. I was informed that the last payment would be on 27/09/2021. Much to my disgust when I received my statement I am being charged again at the end of October, When I phoned again and spoke to Gavin Govender I was told that the person I cancelled the contract with had not actually done the cancellation. I was told that the team leader would contact me by e-mail last week Tuesday to resolve this issue and have still not had any communication from Vodacom. Going to get hold of the Ombudsman to sort this out!!! Absolutely pathetic!!!