Dear In reference to your letter of (date) , we have no record of having received the merchandise you returned. In order to issue you a refund for the $_______, we request that you provide us with the following information: 1. Date you returned the merchandise 2. Form of shipment (UPS, Postoffice , etc.) 3. Copies of any correspondence to us in regard to returning merchandise Your cooperation in this matter will enable us to trace the parcel. Thank you for your help. I will be looking forward to your letter.