SAMPLE - REPLY TO NOTICE OF ITEM MISSING FROM CARTON

Your letter informing us that the [missing item] for your new   [product]   was not included in the carton has been brought to my attention.

There is a package on its way to you now that includes the item and a little something extra.  This is our way of saying how sorry we are for having slipped up, and thanking you for choosing the [name of product].

If I can be of assistance to you in any way in the future, please call us at any time.