She was just sitting down outside, before she'd then notice someone approach her seem somewhat shocked by your sudden appearance, letting out a small "eek-" before eventually calming herself down.

"Oh.. Sorry, I'm Fluttershy.."

She said, seemingly realizing Alice is a new student here.

"I don't think I've seen you around before... Did you just transfer to Canterlot High from another school?"

She'd ask, seemingly curious, despite her shy personality it seems she knows a lot of people here.