This is very exciting, Lilith! I would maybe try one of those online look-up websites (I have one at work I use all the time for customers. I'll try to remember to get it for you tomorrow) and, if you're nervous about contacting him in person or on the phone, maybe write a quick note with your contact details. That's about as unobtrusive as possible, and it leaves the ball in his court without pressure.
Hagar:"What kind of dog is that?"
Man with dog:"He's a nice dog!"
Hagar:"You know, at the end of the day, that's always the best kind."