I am familiar with the various country rail sites but don't know how to find the price of rail ticket and how to book when travel extends over several countries in one journey. I would like to travel from Lucerne, Switzerland to Nice, France on one day or break it up with an overnight in Milano, Italy. My date of travel is June 3rd if anyone is able to look into it for me. Any suggestions on how to get the best fare and how to book across country lines? Thank you.