"Please, Rita, let me carry that." Tiberius said, moving towards you, own suitcase in one hand, apparently not having much difficulty with it despite it being filled to near bursting. It might have been thought a little improper by some for him to address the young Slytherin lady by her first name, but they were all 7th Years together, from good families that had brought them up with good manners, and he was not about to pass up the opportunity to offer assistance.
He flashed her a smile, a wide friendly Gryffindor smile, and took the suitcase from her and paused, letting her climb aboard the train first. "Looking forwards to your last year? I can't say I'm looking forward to the NEWTs exams..."