I called c&a in May to link 3 reservations for dinner, late seating, traditional. I had all 3 reservation numbers and names on reservations. They took all the the information, acknowledged 1 was already linked to ours, and then they added 3rd couple. This is for a September 29th cruise. No problems. Obviously we'll confirm when we board and go to mdr after we board and get our cards with table no. if not altogether.