hi there . can you help me find a train leaving on friday ?
user
please tell me what town are you departing from and what is your destination ?
assistant
on friday , i would like to arrive in cambridge by 16:45 .
user
there are over 100 trains available , could you please provide a departure location ?
assistant
i would like to leave from london kings cross .
user
ok i have 1 leaving by 05:17 , tr5219 , would that be fine ?
assistant
do you have 1 that arrives a little closer to 16:45 . i do not want to get in too early .
user
tr8842 will get you there at 16:08 . may i book it for you ?
assistant
yes , i need it for 8 people . i am also looking for a guesthouse type hotel with free parking in the moderate range .
user
do you have a preference for the number of stars or the area ?
assistant
may i have a reference number for that train , please ?
user
your reference number is rrnttr7z . we also have quite a few guesthouses , do you have an area you would like ?
assistant
for the guesthouse , do you have 1 in the moderate price range that include -s free parking ?
user
there are 12 options for moderate -ly priced guesthouses , any area preference ?
assistant
the area does not matter . i just need 1 with rooms available for 3 nights starting on friday .
user
for how many people ?
assistant
i need it to be for 2 people .
user
the acorn guest house on 154 chesterton road should be sufficient , shall i reserve a room for you now ?
assistant
yes , please , and i'll need the reference number .