Synchrony Financial Bank Account Or Service Complaint

Synchrony Financial Bank account or service department,

Other bank product/service Making/receiving payments, sending money Iowa

My payment was duplicated via ACH by Sychrony Bank. They will not return funds via ACH. I was told, " We have no process for that. '' ) I was told that they will issue refund check in around 14 days. I asked for it to be overnighted as it was a considerable sum of money ( $2.00, - ). I was told there is no process for that either. Really? I find that hard to believe. How is it possible that a bank can not ACH back funds received in error or overnight a check? As far as I am concerned, they are sitting on everyone 's money and holding it hostage. I escalated my request all the way to manager level to no satisfaction. I am a customer in good standing. I pay off my balance every month and this is the best they can do?