U: Please help me look for a train that leaves on Friday and arrives at its destination by 1:15 PM.

S: Where would you be departing from?

U: I am leaving from Cambridge.

S: Thank you. And where are you headed to?

U: cambridge and should go to norwich.for 6 people.I need the the reference number

S: Great. The TR2557 arrives by 12:55, so I have booked it for 6 people. Your reference number is X56LPMKM. Is there anything else I can help you with today?

U: I am also looking for a expensive restaurant that serves south african food.

S: I am sorry I have no listings for that type of food any other types I can look up?

U: Could you check the city center for me?

S: I don't have any South African restaurants at any price range anywhere in the city. Would you like to try a different type?

U: How about indian?

S: May I suggest Curry Garden. It is in the expensive price range and in the Centre. Would you like a reservation?

U: Do they have a pleasant interior decor?
S: The decor isn't great, unfortunately. Would you like me to search for a different Indian option for you?