U: I want to get a train that is leaving after 18:15.

S: What area would you like to catch a train and what day would you like to leave?

U: I need to go from Cambridge to London Kings Cross on Tuesday.

S: There is a train leaving at 19:00 and arriving at kings cross at 19:51 would you like me to book it for you?

U: How much is it?

S: It's 23.60 pounds.

U: Ok. I also want to book an expensive restaurant in the centre part of town.

S: I just want to make sure you didn't want me to book that train for you?  And what type of food are you looking for?

U: I just needed the price and arrival time. Food wise, anything will do, I'm not a picky eater

S: Then how about bedouin an african restaurant on 100 Mill Road City Centre?

U: Does Bedouin have a top notch atmosphere?
S: The Bedouin has a great atmosphere according to customer reviews.  Would you like me to reserve you a table now?