[His first statement gets another nod; she's definitely glad to hear that, and she totally trusts that he has some sort of way of gauging that, even if it's just because he's been there longer. He might not always catch things of course, but that's true for anyone. His second statement actually gets a bit of a look from her and another chuckle.]

You have experience then, and probably knowledge other people don't have. I'm sure you'd be of use!

[She may not know you but she believes in you!]

Ah, it's good, thanks.

[Though that does seem to make a thought occur to her, and she sets down the piece of quesadilla she was eating and opens it up to check what's inside. Seems normal enough, thankfully.]