He agreed to the request for dinner, and followed the servant, but got directions to his court's diplomats' rooms from the servant before they left. Once that was done, he did a quick spell to clean up, before he did some light unpacking, though most of his equipment was stored magically, so he could swap into or out of it at a second's notice. Once that was done, he left to find the others, and figure out what they wanted him to do during the negotiations.