Dobby beckoned to them, and they followed him through the crowd of elves that were now slowly losing interest and wandering back to the tasks they’d been distracted from, "This way sirs - this way," Dobby gestured to the nearest of the enormous tables in the room, "Have a seat Harry Potter, Dobby will fetch you some sandwiches and cake!" and for the moment, Dobby disappeared amongst the other elves as he went to fetch their food.