i need a train that leaves norwich after 15:00
user
i can help you with that . what day would you like to travel ?
assistant
i need to leave on sunday and arrive in cambridge please .
user
i have 9 trains available . do you have an arrival or departure time preference ?
assistant
no arrival preference but it will need to leave after 15:00 . any 1 is fine . i'll need a booking for 3 people .