i need a train to go from cambridge to norwich .
user
what day of the week are you looking to travel ?
assistant
i am traveling on sunday
user
what time would you like to leave or arrive by ?
assistant
i would like to arrive by 13:45 .
user
i have the tr7438 that will arrive at 12:55 . would you like a booking made today ?
assistant
i would like to book that train for 4 people please .