Write a letter asking for some money from my parents. Make it sound like it's from a young person.1. In the sample letter, fill in your personal information. List your name, account information, the original creditor of the debt, and the debt collection agencies identifying information. A 609 dispute letter points out some inaccurate, negative, or erroneous information on your credit report, forcing the credit company to change them. This e-book provides templates for 21 most effective credit and collection letters that will help you communicate better with your customer.