Melinda's eyes widened "Oooh, I see," she said. She hesitated a moment but the lure was too great. "Really massive you say? How would I get there? Is there a train or a ... the Tube?"
She'd taken Muggle Studies until after OWLs, so she was pretty sure there was thing called the Tube in London. 99% sure, actually.
Holding out her hand, she smiled. "Melinda Bobbin. You look familiar enough that we were probably in school together, but I don't think you were my year. When'd you leave school?"