Debit Order when Fibre Cancelled

Ive been contacting Webafrica for 6 days now, I have chatted and spoken to 5 different people, I cancelled my subscription in March but yet my account has still been debited , one agent assisted me in getting their Finance department to refund me as I am no longer at the address where the fibre connection was done but Today another agent is telling me a different story about my last debit order, I cannot be paying for something I am not using and ontop it, I have asked them to to assist in placing a new order for my new address but they cannot assist as I need my refund back first before they can assist I was informed Today it will take 14 days, how is there system issues my problem...This is unexpectable I do not think I will be placing my new order with them....I need my money back.