i would like a train going to stansted airport .
user
from where will you be departing ?
assistant
i am departing cambridge tuesday
user
i have several trains available . what is your preferred time of departure and arrival ?
assistant
i would like to leave after 20:15 .
user
i have 1 leaving at 20:40 and arriving by 21:08 . only 10.10 pounds . would you like to book ?
assistant
thank you . can also provide the train id ?
user
tr8238 . would you like to book it ?
assistant
no thanks can you help me find an expensive restaurant in the centre ?
user
there are 33 expensive restaurant -s in the centre . is there a type of food you prefer ?
assistant
i am up for an adventure , can you pick a good 1 for me ?
user
of course . i would recommend the cambridge chop house . it serves british food . would you like to book a table ?
assistant
no but i would like the postcode and the phone number .