Dear
This is in reference to the letter dated (date). We have received your letter acknowledging receipt of the items we mailed to you and noticing us to cancel shipment of your order for those items which are back ordered.
We will be issuing you a refund as soon as we are finished with the necessary paperwork for your account.
We would like to take this opportunity to thank you for shopping through (name) Our new (specify) catalog must be arriving at your home shortly, and I believe you will be pleased by some of the beautiful choices our buyers have made this season.
Thank you for your patience and understanding and for providing us with the opportunity to be of service to you.
Best Regards,