If they are, and you are, hey, you're both natives! Where did you go to high school?
If they aren't, and you are, hey, what do you like about it? How long have you been here? What brought you here?
If they are, and you aren't, hey, you're a native, I moved here x years ago, do you know restaurant X? It's my favorite.
If they aren't, and you aren't, mix and match, any of the above.
If they are, and you are, hey, you're both natives! Where did you go to high school?
If they aren't, and you are, hey, what do you like about it? How long have you been here? What brought you here?
If they are, and you aren't, hey, you're a native, I moved here x years ago, do you know restaurant X? It's my favorite.
If they aren't, and you aren't, mix and match, any of the above.