[He has to smother his grin by pressing his lips together, because for some reason he's suddenly thinking of Leia... Though the last comment make him startle a little, straightening up.]

You're from... [Focus. Important things going on, though the mention of a lightsaber and Jedi leaves him grimacing.] Um. Well, I don't have a lightsaber, but I'm sure we can use something else.

[Anymore, anyway. Unconsciously, he flexes his right hand, glancing around. There's rocks lining the road... Well.]

Maybe we can get it down a little further... Here.

[Handing her his blaster, since hopefully she knows how to use one, Luke stands up while he hurls one of those stones at the creature with the help of the Force. At least it makes the thing whirl around, screeching angrily.]