Dear

Our credit department has notified me that your account
is past due.  You are one of our preferred customers
and therefore we want to offer any assistance we can.
We know that most overdue balances result from clerical
errors.  However, should you require additional time
to settle your balance, please feel free to give us a
call.  I will see to it that you are granted an
additional [  ] days in which to pay your account balance.

We value your business, and sincerely hope that this
gesture will be of some help.  Thank you for your kind
consideration, and we look forward to seeing you soon.