Vodacom Bad service

Hi I took up a contract upgrade contract online on Monday 16/09/2019. I followed up on Tuesday and was told that the confirmation department will call me. On Wednesday, I sent a complain to *** and did not get a response. Yesterday I called Vodacom and I was told that I must cancel the upgrade and go to a Vodacom store.

Now, I have been a Vodacom contract client for over 10 years and this is the treatment I get for trying to continue using Vodacom with this upgrade. If you have enough clients and you no longer wish to retain me as a client please advice me.