[His explanation was more than acceptable and even if it may have seemed questionable on the surface, Ai didn't think so to begin with (that's why she's a dope). Lien had mentioned some details she saw of Connor's memories after he left, describing the bits and pieces of the world he was from and it matches up with what he tells her now.

So when he says that he wants to, in a sense, figure out himself, Ai thinks it over the second slice of pizza. When it's done, she wipes her mouth with a napkin and nods at Connor.]

I think I understand what you mean. You've just had one focus for the longest time and while you're good at it... There's other metaphorical and in this case, literal worlds to explore right?

You're still an android that investigates Connor. But now you can investigate whatever you want! And I'd be more than happy to explore that with you.