How To Write A Letter Discontinuing Service . Specify the effective date that you would like to stop the service that you are receiving. This letter will serve to announce the closure of the business and give the owner. Service Cancellation Letter Apparel Dream Inc from appareldream.com The account number for this service is (account/reference number) if you. I'm satisfied with your service and don't have any major complaints, but i simply won't be needing it anymore. [customer name] [business name] [business address] dear [customer name], we wanted to take this opportunity to inform you that [business name] has taken the decision to discontinue some of our older products to make room for a new range.