Dear [Customer's Name], We truly appreciate your business and would like to inform you that we have received your cancellation request for the back ordered item(s) from your recent order. We apologize for any inconvenience caused by the delay in fulfilling your order. Based on your request, we have immediately processed the cancellation and have ensured that you will not be charged for the canceled item(s). Please note that any payments made towards the canceled items will be promptly refunded to your original payment method. We understand that waiting for back ordered items can be frustrating, and we regret that we were unable to fulfill your order in a timely manner. Our team is constantly working to improve our inventory management and supply chain processes to minimize such occurrences in the future. In the case that the canceled items become available again, rest assured that we will notify you promptly. If you still desire the item(s) and wish to re-order, we will be more than happy to assist you in placing a new order. Once again, we would like to express our apologies for any inconvenience caused by the back order situation. We value your patience and understanding, and we appreciate your continued support as our valued customer. If you have any further inquiries or concerns regarding your order or the cancellation process, please do not hesitate to contact our customer service team at [customer service number] or email us at [customer service email]. Thank you for your cooperation. Sincerely, [Your Name] [Your Title/Position] [Company Name]