U: I need a list of available trains leaving from Cambridge after 2pm.

S: I have a train leaving at 15:00 on friday from 	london kings cross.

U: I actually need to leave from Cambridge and go to Kings lynn. I also need to travel on Wednesday.

S: There are 10 trains travelling that way. By what time  do you want to arrive?

U: What's the soonest arrival time?

S: The soonest arrival time I have is 14:58.

U: So the one that arrives at 14:58 that also leaves at 14:00? Because I need it to leave after 14:00.

S: Yes. TR8793 departs Cambridge at 14:11 and arrives at 14:58. Would you like me to book you a ticket?

U: Yes, please. I would also like a place to eat that serves european food, is expensive, and in centre area please.

S: there are two expensive european restaurants and one expensive modern european restaurants in the centre

U: I would like one of the European ones, please.

S: We have the eraina and michaelhouse cafe. Which one sounds better to you?

U: I want to go to the one that serves non-alcoholic drinks.
S: Both Eraina and Michaelhouse serve non-alcoholic drinks on their menu. Some customers think there are plenty of options while others wish there were more, for both restaurants. Would you like to know more about either place?