Thank you for graciously agreeing to share your knowledge with our chapter members at the upcoming (INSERT NAME) conference. Write your confirmation in minutes: Easy step-by-step guide with sample sentences and phrases. 1.Begin with a Polite Greeting. Use an appropriate tone. In this article, we discuss how to write a conformational letter, look at sample templates for formal and informal confirmation letters and share some tips. The biography should be 100-150 words and in the third person. The letter was addressed to the outgoing House Democratic Caucus chair state Rep. Trey Martinez-Fischer, D-San Antonio. Speaking Engagements. Please use the form below to inquire about hiring a Cook Political Report editor for speaking engagements.