U: Hello! I am about to go to Cambridge and I would like some information about local restaurants.  I also need to see if I can book a train to Cambridge that gets there before 15:45.

S: We have many options for restaurants. What food type are you interested in eating today?

U: I would like Italian please.

S: What area of town do you prefer?

U: It doesn't matter the part of town.

S: help me narrow down the choices by giving me the price range

U: Actually, let's look for the train first, please. I'll be traveling from London Kings Cross to Cambridge on Tuesday and I'd like to arrive by 15:45.

S: The TR3456 from London Kings Cross on Tuesday departs at 13:17 and arrives at 14:08. Shall I book that for  you?

U: I don't need to book just yet.  But could you help me located a New Zealand restaurant?

S: Unfortunately, we no longer have any new zealand restaurants in the city. Can I search for something else for you?

U: I's sorry, but could you give me the actual train travel time between the two cities? I'm not good at math.

S: It takes 51minutes.

U: Thanks, could you also recommend could you help you help me find a place with japanese food?

S: Wagamama is an expensive Japanese restaurant in the centre of town.

U: Do they have yakitori at a decent value?
S: According to past customers who ordered Yakitori, the dishes were of high quality but they were also overpriced.