Letter for Regret after Cancellation of Order
Dear …. ,
This letter is to acknowledge receipt of this letter of (dated….) by which you set forth your reasons for canceling your purchase order (order no. and product name).
We are very sorry about the misunderstanding that resulted in this cancellation and took the matter up with management as a way to ensure that a problem on this nature does not take place again.
As you are one of our valued buyers, your satisfaction is one among our primary concerns. You should accept our apology.