Tell them to chat with everyone they meet. I ended up in a private plane flying over Sydney Harbour and on guided tours through a sugar refinery and some national Parks. The Aussies are a friendly people. At a strange little hotel in Adelaide, I returned to my room to find all my laundry clean and folded with a lovely note from two elderly sisters whose brother survived WWII through the help of some Americans. Still makes me teary. they will have a wonderful trip.