UNHAPPY MBD CUSTOMER

I have been trying to query my account with MBD with no help, agents will drop their call on me. It has been the worst experience. That call centre is full of unlury and rude agents. This is really frustrating I am losing my mind. Can you please assist me. I was handed over to MBD Attorneys for my Jet account. I was told I will be given a discount if I could make full payments of a certain amount. I agreed on that amount and there's a debit order that went off on the 01/03/2022. I have been receiving numerous calls from rude agents about an amount that I need to pay a different amount from the one I was told about. Some agents would tell me the amount I paid does reflect on their side and some agents will say it doesn't reflect. It turned out my account was duplicated by MBD. I have a proof of payment with me if you can contact me on my emails *** this is my ID number ***. Please assist MBD has failed me. They don't want to send me the paid up letter it's really frustrating