Data bundle

I have been with Vodacom for more than ten years and today I am very dissapointed by the level of service received from Lydia Khopu. In April 2020 I purchased data since my children need additional data. To my surprise Vodacom gave me more data than what i purchased. I was happy with the offer since I have been a customer for sometime with Vodacom so I thought they are running a special. to my surprise I was charged with bill that I never expected. Today I decided to call Vodacom to esquire about this, was told that I selected a product. I informed them that I never selected this product, it seems there was an error with Vodacom. The customer care lady was not interested in what I had to tell her an accused me if buying a service that I never requested.

Vodacom must resolve this issue as it unacceptable, I can not pay for the service I never requested,