This is to acknowledge receipt of your letter of [date] in which you set forth your reasons for cancelling your purchase order 来源：考试大

　　I am very sorry about the misunderstanding that led to this cancellation and have taken the matter up with management in order to ensure that a problem of this nature does not occur again.

　　As one of our valued customers， your satisfaction is one of our primary concerns.  Please accept our apology.来源：考试大