i would like information on trains departing from cambridge and arriving at london kings cross .
user
we have trains departing for kings cross every 2 hour -s . what day would you like to travel ?
assistant
i would like to leave sunday and arrive by 14:30 .
user
tr7447 leaves at 13:00and costs 18.88 pounds . can we book ?
assistant
ok . thanks . that s what i wanted .