[Oh, wow. It's not uncommon for Westerosi boys to be squired or even knighted at an early age, but it's definitely uncommon for them to be this tall. Sansa thinks this boy must be taller even than The Mountain That Rides -- and people say the Mountain is half-giant. But it would be rude to call attention to the poor boy's height, so she just smiles and gives a little wave back and does her best not to look like she's gawking up at him.]

I am, ser. I am no warrior - nor do I wish to be - but the people I've spoken to say this town is dangerous. I thought it might be useful if I could fight. Just a little. [She adds the last part quickly. DON'T THINK SHE'S UNLADYLIKE OH GOD PLEASE.]