POOR SERVICE!!!! STOP MY CONTRACT !!!!!!

I wrote an email to Vodacom asking them to correct my contract amount as this increased without my concent. I heard nothing. A week later I informed Vodacom that I was going to review them on Helo Peter. They did not bother. I placed a review on Helo Peter and got a message saying GOOD NEWS Vodacom will contact me personally. 6 Days later and no one contacted me. Today I got a message to say the ticket is closed. Attached proof of the communication