Ah! Daphne Greengrass. Daphne was one of Aileen's favourite of the Slytherin seventh year girl's dorm. Not that she interacted with many of the seventh years in her house, as they mostly seemed to stick within their yearmates as friends, but she did prefer Daphne to the rest of that dorm. From what little she knew of her.
"Hi," Aileen said, raising her hand in way of greeting.