Well, he still has three badges left in his Johto run before he has to run to Kanto to collect more, so that's always a possibility. Sasuke is still questioning why he wants to be stronger at this point though, so he's coming to critical points in his development. Mainly, learning how to let go of his hatred.

Who better to help him do that then the holder of the Crest of Light? ;)

But yes. They can come across each other and converse more. Sasuke needs more friends that don't do stupid stuff NARUTO...