I hereby stomp my feet, give you puppy dog eyes as well as my bestest pouty face ever, and demand that you install and activate this plugin right away.
(P.S. It allows you to not only reply to a comment in the comment form, but it sends a notification to your guest via e-mail. Double coverage so no-one feels forgotten. Go now. Do as I say. Test here if you’d like, I will reply to you so you can see how it works.)