yes . i am looking for a train , please .
user
of course . where will you be departing from and arriving ? when would you like to leave ?
assistant
i need to leave from cambridge on sunday .
user
there are 202 trains leaving cambridge on sunday , do you have a destination or time ?
assistant
well , i am thinking i need to leave sometime after 10:45 for norwich .
user
there is a train leaving cambridge for norwich at 11:36 which arrives at 12:55 . shall i book it for you ?
assistant
yes , i would like 1 ticket please .