Very disappointed

A simple up grade led to a nightmare went to Vodacom carnival mall dealt with Riaan consultant and temba the branch manager after their mistake upgrading me to a phone contract after I told them I wanted the unlimited WiFi they canceled the phone contract now they tell me I have to wait till end August to get my WiFi I've paid my account been with Vodacom for many years I feel like canceling my contract and going to another service provider