U: Hi. Can you help me find a train?

S: Yes. When will you be departing and where from? And what is your final destination?

U: I will be departing from cambridge and going to norwich. As long as it leaves after 13:15 departure time does not matter

S: What day will you be traveling on?

U: I'll be leaving on Sunday.

S: Train TR8185 departs Cambridge to Norwich at 13:36. Would you like to reserve a ticket?

U: Yes please, for 1 person

S: I have booked your train. It will cost 14.08 GBP. You can pay at the station. Your reference number is RMG9S7N9.

U: Do you know where I may get some yummy chinese food in the centre of town?

S: May I suggest Charlie Chan? It is a good chinese restaurant in the cheap price range.

U: Does Charlie Chan exist in a desirable location?
S: The restaurant is in the most desirable locations of all where, the area is safe and has accessible to many ammenities.