Cale blinked as the door opened, and Dominic Denton himself walked into the compartment. He sat down, almost nervously, but didn't say anything to Cale. Huh. That was a first. Wrinkling his eyebrows, Cale wondered if Dominic had realized this was a carriage specifically for prefects--therefore meaning that other students just weren't allowed.

"Erm...hi," he said, smiling sheepishly as Dominic sat across from him. "Uhhh...you lost or something?" he asked. That had to be the only logically explanation.