i am looking for information on a train that will arrive at 20:45 wednesday .
user
i have 318 trains running on wednesday , to help narrow it down where will you be departing and arriving ?
assistant
the train should depart from cambridge and should go to kings lynn .
user
train tr3234 leaves at 19:11 and arrives by 19:58 . shall i book that 1 for you ?
assistant
yes . thank you very much .