[Mike P]

Mohinder has a lot going on right now, and so he's probably a bit less open-minded then at first. I'm guessing that when he goes to the airport, someone with obvious powers is going to show up and Mohinder will be like, "Oh god, I should stay here and see what goes down."

As for the girl, I think she's just a girl. Another scenario for the above is that she's going to keep him from going back to India in some way.