Terrible service from Vodacom

I have been a loyal customer for over 22 years at Vodacom. I have been trying to cancel 2 of my lines that are ending Sept. with no luck, also have made many attempts to query my account being overcharged but with no help from them. My account has fallen in arrears as I was unemployed but have always made some payment and made payment arrangements with them every time. So they suspended my account with no warning of any kind and also with a payment arrangement. Today I called several times to accounts but every time I start talking to an operator they put the phone down. Finally I did explain my situation and the necessity to have my account activated to be able to work as I am a tour guide. The operators name is Lefa, she just bluntly said no with out any attempt to help. When I wanted to speak to the supervisor she refused and said she will arrange a call back. I insisted on holding on but she refused. No one has called me back to assist me. Vodacom never helps.