i am looking for a train in cambridge that will arrive by 18:30
user
are you leaving cambridge or going to cambridge ? better yet , what is your departure city and destination ?
assistant
i am departing from cambridge and would like to go to norwich on a monday .
user
yes i have the 17:55 . may i help you with anything else ?
assistant
if it arrives by 17:55 , then yes , please book 1 seat for me .