Subject: Cancellation of Unfilled Order — Important Notice for [Company Name] [Company Name] [Company Address] [City, State, Zip Code] [Date] [Customer Name] [Customer Address] [City, State, Zip Code] Dear [Customer Name], I hope this letter finds you well. I am writing to you from [Company Name] to inform you about the cancellation of your unfilled order for [Product/Service] with order number [Order Number]. We regret the inconvenience caused and apologize for any disappointment this may bring. Due to unforeseen circumstances, we regret to inform you that we are unable to fulfill your order at this time. We understand the importance of timely delivery and providing our customers with exceptional products/services. Your satisfaction is our top priority, and it is with sincere regret that we notify you of this unfortunate situation. Our team has studied alternative options extensively to fulfill your order, but unfortunately, none have yielded a satisfactory outcome within the desired time frame. Rest assured, our team is committed to ensuring customer satisfaction, and we will take necessary actions to make amends for this inconvenience. To resolve this matter, we are offering you the following options: 1. Full Refund: We will initiate a full refund of your payment for the unfilled order. Please allow [number of days] for the refund to reflect in your account. We kindly request your understanding and patience during this process. 2. Substitution: If you would like, we are happy to offer a suitable substitute for the unfilled order. Please contact our customer service department at [Customer Service Number] to discuss alternative options that may meet your requirements. 3. Credit for Future Purchases: As a gesture of appreciation for your understanding, we would like to offer you a credit of [Credit Amount] that can be applied towards any future purchase with us. This credit will remain valid for [Validity Period]. Contact our customer service department to facilitate the redemption of this credit. Should you have any further queries or concerns regarding your unfilled order or the available options, please feel free to contact our customer service department at [Customer Service Number]. Our dedicated team will be glad to assist you and address any questions you may have. Once again, we sincerely apologize for the inconvenience caused by the cancellation of your unfilled order. We value your patronage and are committed to providing you with the best possible service. We hope to regain your trust and serve you effectively in the future. Thank you for your understanding and cooperation. Best Regards, [Your Name] [Your Position] [Company Name]