U: I need to book a restaurant.

S: I'm happy to assist you. What type of cuisine would you like?

U: I would really love to try christmas food.

S: I'm sorry, I am not showing any restaurants serving Christmas food. Would you like to consider a different cuisine?

U: I would love italian food then.

S: We have 15 different Italian restaurants across town at different price ranges. Do you want to narrow down your choices?

U: No thank you. I'll just need a price range and postcode for one of them.

S: pizza hut city centre is inthe cheap price range. their postcode is cb21ab

U: Does it have nice indoor decor?
S: Yes, Pizza Hut City Center has a nice and enjoyable decor. Would you like any further information about that option?