Drained!

I received an sms this morning that confirmed a transaction from my Easy Account. It was a payment towards our internet provider.. So the amount has been deducted and I still had money left in my easy account. Later during the morning I received another sms: Transaction failed. Unsuccessful payment. I logged into my account and noticed that nothing has been deducted, the money that was supposedly deducted this morning, was still there. But what ticked me off is that I was debited for R115, Item Unpaid No Funds, but I had enough funds available. I contacted FNB, spoke to numerous agents, finally got through to an agent that was really quick to help and understood my frustration, I was told that my payment towards our internet provider did go off, the money was out of my account, but then it bounced back, which does not make sense at all. And then I got debited for R115?! I asked who is responsible for this as I had enough funds available, the agent explained that it is on FNB's side and they'll have to do a reversal. I also mentioned that I never app**** for an Aspire Account, never. I just remember I received a payment into my easy account a while ago and my notification read that the payment has been made to my aspire account, I made nothing out of it due to the fact that I was stupid enough to think it's just an automatic upgrade or whatever. The agent apologized for the service that I have received and mentioned that this shouldn't have happened. She advised what steps to take next and so I did. I have requested to downgrade my account and also to reverse that R115, and no success, I have requested call backs and nothing.