are there any trains going to cambridge from kings cross ?
user
there are several . what is your departure day and time ?
assistant
my departure day is monday at 15:45 .
user
the closest train i have leaves at 15:17 and arrives at 16:08 . would you like me to book this for you ?
assistant
yes , please . can i get the travel time and departure time first ?
user
train tr9114 leaves at 15:17 and is a trip duration of 51 minutes . do you want me to book it ?
assistant
oh , no , i see that train will not work for me . i need to arrive by 15:45 , not depart by it . i am sorry . could you find me another ?
user
i have train tr3194 that departs at 13:17 and arrives at 14:08 . would that train be better for you ?
assistant
yes , that would work better . can you tell me how long the travel time is ?
user
the travel time is 51 minutes .
assistant
wonderful , thanks . i am also looking for a place to stay in the north . i would like free wifi as well .
user
of course ! i have a dozen hotel -s that meet your needs . what type of place are you looking for ? a certain price range or star rating , perhaps ?
assistant
yes , i am looking for a 4 star hotel that include -s free parking and wifi .