Ron turned to the table and got her a cup and handed it to her, a happy look upon his face. He decided he didn't need a cup in his hand, for fear he'd end up wearing it. He felt fearful, standing here, talking to a girl he didn't know but he wanted to make an effort.
"Mandy was going to introduce us, but now she doesn't have to, does she?" he asked, and then frowned at himself, wondering why he'd said that. He opened his mouth to say something else, "Your dress is very yellow. Is that because you are in Hufflepuff?"