I need a train for this Friday that leaves anytime after 2:15 that afternoon.
There are a total of 204 trains leaving after 2:15 in the afternoon on Friday. Where would you like to go?
I would like to go to Stevenage please and depart from Cambridge.
There are 5 such trains. Do you want to set an arrival time?
I don't care about when it arrives.
Train TR0217 leaves at 5:21 in the afternoon, would you like me to book it?
Not right now, but I was wondering if you could tell me about expensive restaurants in the center of town.
There are 33 options. What food type do you prefer?
I don't care about the food type.
How does bedouin sound, they serve african food.
That sounds great.  What is their price range?
The bedouin is expensive. 
Let's go ahead and book that for 8 people at 10:30 on Friday, and I will need that reference number, please.
I have booked your table at the bedouin.  Your reference number is 52CPSY3C and we hope you have a great day!