i would like a train going to kings lynn .
user
the tr3112 will get you there by 05:58 . will that work ?
assistant
i do not want to leave until after 17:30 .
user
okay , there are many options for you to leave after 17:30 to kings lynn . where are you departing from ?
assistant
from cambridge .
user
what day will you travel ?
assistant
i'll be leaving on tuesday
user
great . there are several trains available . what time would you like to leave by ?
assistant
i would like to leave after 17:30 .