Finance Department ZERO Service - Frustrated

I have received ZERO Help from the MultiChoice Finance Department with reference to my complaints & still current problem.

1. 30 MAY 2018 - Received a call from gentlemen to advise my 2 year contract is coming to an and would like to discuss payment structure for the next 2 years. I chose Option 2 - 24 Month Fix @ R879.00

2. 13 JUN 2018 - My subscription was cut off in the evening, had to phone for them to switch it back on and the gentlemen who assisted me advised that the other gent who phoned to renew the payment plan never did that so they will fix it with finance the next morning.

3. 03 JUL 2018 - Subscription was double debit from account, due to the internal switch for one account to then next (do not know why they need to do that as my account number stays the same and i just basically agreed to renew the account for the next 24 months) thus they charged me for 2 accounts but 1 subscription, Spoke to Thabisa she acknowledge the mistake and advise that i have a Credit due of R933 and thus will not be debit in the next month (Aug)

4. 01 AUG 2018 - received a debit notification that they debit my account again, phoned again and spoke to Joy and was advise that they see i have a Credit but Finance must activate it and she cannot understand why they don't. She will send them an email for them to correct it and i specifically told her i need a confirmation that they have fixed this or need Finance self to contact me and till today have not received any call back.

The help desk (customer service) to fix DSTV errors are amazing and want to help but the accounts/finance department has no customer service and more concerning, they know exactly how to debit your account but have no idea how to credit a clients account.

I am frustrated and utterly shocked at the service and wasting more of my money phoning after them trying to correct their mistake.

Please advise what my further options are to get my money back.