OFF to Beijing

Joi Ito’s Web: Off to Beijing
Gate Agent: Our computer is broken. I can’t check you through to your final destination.
Me: OK, but please check my bag through to Bejing via Tokyo.
Gate Agent: My computer is down. I have to look up the codes by hand. What country is Tokyo in.
Me: Japan
Gate Agent: Beijing is also in Japan.
Me: No, China.
Gate Agent: OK. (scribbles down codes and flights on luggage tag.)