"Mm... my loss, I'm sure, that I'm not acquainted with your homeland."

...of course, he was mostly just being polite, since he obviously couldn't really be sure of any such thing. Although he did take quite seriously the idea of learning from everyone--even if it should be quite an unpleasant lesson or just "don't go to Westeros".

"But, yes, it is a lovely forest. ...although I've heard it said to have its own dangers. I confess I've not had occasion to go exploring much deeper than this, myself, however."