"When the student is ready, the teacher will appear" - if they're not asking you can't introduce them.

As a scout leader I firmly believe in "Learn by doing" and leading by example. My children often say, "when we get the millions I want to....." with such belief. We haven't sat down and said this what you do or how you do it [insert Law of Attraction lesson here]; they just do it.

Easiest thing that I say to people is: "Your main goal is to be happy, right?"
That gets their wheels turning.

If he or she seemed interested after a little discussion I would give them a small gift: perhaps one of the Abraham-Hicks books, like "Ask And It Is Given" or "The Vortex". (And of course, suggest this website and psi-tek!)