The primary purpose of the confirmation is to confirm that the registration was received, the first line is usually similar to "Thank you for registering..." We suggest that you include a lot more information in this email: Reconfirm that registering for the event was a good decision to minimize and potential buyers remorse. Remind people what they registered for. Provide a handy reference of details such as the times, date, location, map link, etc. Many people will refer to the email on there phone especially when they are on the way to the event. Answer any other questions registrants might have. If you do a good job of covering off the basics, it will help to reduce the number of calls and emails you get from people asking questions, there are some examples below. Provide your contact information.