U: I am planning a trip to Cambridge

S: I am definitely assist with planning that trip.  Do you want to start with booking a train, or search a restaurant?

U: Let's book a train, I'll be departing from cambridge and going to broxbourne. Lets look for something on wednesday arriving in broxbourne by 19:00.

S: It seems there are thirteen trains to Broxbourne arriving by 19:00. What time would you like to leave?

U: We're not picky, please book any train arriving in Broxbourne by 19:00 for 4 people.

S: Okay, your booking was successful. Your total fee of 71.59 GBP is payable at the station. The reference number is B5E7R2LE.

U: Thanks! Now I need to find a Lebanese restaurant in the expensive price range. Can you help me find one?

S: I'm afraid there isn't an expensive Lebanese restaurant in the city.

U: Is there any in the East?

S: Unfortunately, the only Lebanese restaurant in town is moderately-priced. Would you like to book that restaurant or should I search for a different restaurant?

U: What about one that serves indian dood?

S: There are 4 indian restaurants in the east. Did you have a preference on price?

U: I'd like someplace expensive, please.

S: I have 2 that are expensive. May I suggest Sitar Tandoori? Would you like to book that?

U: Do you know if their Samosas are highly rated?
S: There are mixed views on the quality of the Samosas. Customers who have ordered them have described the food  as stellar, but past customers have also described the food as not very tasty, when they have ordered them.