Vodacom extremely poor contact service

Like minds did upgrades on our numbers, but they gave us the wrong information saying it would be much cheaper but it ended up being more than 10k extra over all our vodacom contracts,

Dear Customer, With regards to your query with ref number ***. Please note that your service request is still in progress and is being addressed. Visit www.vodacom.co.za/help from your PC or cellphone. Thank you, Vodacom

*** if vodacom feels like sorting out their mess We have more than 22 tickets logged with vodacom and yet no response of their supervisors or anyone

Does anyone know how I can get a vodacom supervisor to contact me as they Clearly don't call customers out of their own . I need assistance in getting the money back that is basically being ******