can you help me find a train departing from norwich leaving on sunday ?
user
i found 19 trains that leave norwich on sunday . where will you be traveling to and do you have an arrival time in mind ?
assistant
i am traveling to cambridge , of course ! i can leave norwich anytime after 12:45
user
i recommend tr2974 which leaves 17:16 . can i book that 1 ?
assistant
yes , that would be fine . i'll need it booked for 3 people . i'll also need the reference number , please .