Subject: Follow-up on Duplicate Order: Important Information Requested Dear [Customer's Name], We hope this letter finds you well. We are writing to address an issue regarding your recent order placed with us, which appears to have been duplicated in our system. We apologize for any inconvenience this may have caused and are committed to resolving this matter promptly. Our records indicate that on [Date], an order for [Product Name] was successfully processed under your name. However, upon reviewing our system, we noticed that a duplicate order with the same details was also recorded. We understand this situation can be frustrating, and we assure you that we are dedicated to rectifying it in a timely manner. To ensure accuracy and provide efficient resolution, we kindly request the following information from you: 1. Order Confirmation: Please verify the order number or reference code for the original order, which was correctly placed and received by you. This will help us identify the duplicate entry accurately. 2. Duplicate Order Details: kindly specify the date and time of placing the duplicate order. If you have any copies of the order confirmation email or reference number associated with it, please share it with us. 3. Payment Verification: As the duplicate order is a concern for both of us, we kindly ask you to check your bank or credit card statement and confirm if two separate payments were charged for the same product. If only one payment was charged, sharing the transaction details will greatly assist us in our investigation. Once you provide us with the requested information, our dedicated team will immediately begin working on resolving your query. We will take every possible action to cancel the duplicate order and ensure any associated charges are either refunded or removed from your account. We sincerely apologize for any inconvenience caused, as this situation does not meet our high standards of customer satisfaction. Rest assured, we value your patronage and will do everything in our power to restore your trust in our services. Please respond to this letter no later than [Deadline — typically 7 to 10 days from date of the letter] with the requested details. Should you have any additional questions or concerns regarding this matter, please do not hesitate to contact our Customer Support team at [Customer Support Phone Number] or by email at [Customer Support Email Address]. Our team is available [Working Hours / Days] to assist you. Thank you for your understanding and cooperation. We appreciate your prompt attention to resolving this matter and look forward to serving you better in the future. Warm regards, [Your Name] [Your Title / Position] [Company Name] [Contact Information]