[ At first silent to see if Alice would understand what he was getting at (she would, she was bright like that), he was a little stunned by the leap in logic she made. Of course, he had no idea why she'd think that, so he was immediately concerned that she would, shifting on his seat to get closer to her, reaching out to take her hands. ]

Alice! No, of course not! It's-- people just disappear from here sometimes. They go home, and there's nothing we can do about it.

[ He thinks. Or hopes. There's no way to really know for sure. And Peter did tell him what happened to Gamora before coming here... but there is absolutely no reason why he'd tell Alice about that. ]

It's not your fault, Alice. It's nothing you did. Why would you think that?