Due to the omission of the unpaid bills found since you left the hotel without contact front desk. We had taken the liberty to process a late charge at actual amount of Bht 8,629.-( Room charge@Bht 8,209.- + Minibar@Bht 420.-) to your Amex card which had pre-Authorized Bht 10,000.-net upon check in.
So the rest balance at amount Bht 1371.-, it was cancel and will be released to your account.
Please find the attachment of your folio for your reference.