Insert New Record to MySQL using CFSELECT, Textfield, and Submit Button

I wanted to insert new record (new user) to MySQL database by using a CFSELECT (Drop-Down Menu) with option (Add New User), type the name in the textfield, then hit the submit button. After the process, the name will be listed in the Drop-Down Menu. I have the Update/Delete part.. I just need to Insert new user. Thanks