U: I need a train to Cambridge on Monday.

S: Can you tell me where you will be departing from?

U: I am leaving ely I need to arrive by 11:15.

S: TR2987 leaves Ely at 9:35 and arrives in Cambridge at 9:52. Would you like to book a seat?

U: Is there a later one that would still get us there by 11:15? I need 4 seats.

S: That is the latest train for that day. Is that okay?

U: Ok.  You can book that one for 4 people.

S: Booking was successful, the total fee is 17.6 GBP payable at the station .  You Reference number is : E3F6RPQB.  Can I help with anything else?

U: i'm also looking for a restaurant

S: There are many, many restaurants to chose one.  Can you help me narrow it down?

U: Yes, I am looking for the Curry Garden.

S: Sure. Curry Garden is located in the city center and is expensive and good. Would you like me to make a reservation for you?

U: Make sure they have nice outdoor seating, like a patio.
S: They do have outdoor seating, customers mentioned a patio as well.  Is there anything else I can help you with today?