Domains: Travel_15, Hotels_15, Flights_35

user: Can you get me fun attractions?

system: What city please?

user: In London, UK.

system: There are 10. You should see 30 St Mary Axe (The gherkin). Its one of their best Historical Landmark.

user: Fine, get me a room near there.

system: 10 options await. What about 45 park lane. I has 5 stars.

user: Something else please.

system: a 3 star option is Abc Hyde Park Hotel.

user: How much and what's their number?

system: $186 per night and the phone is +44 20 7706 4660.

user: Fine, I need to take a plane there.

system: What date do you want to go? When will you return from and where?

user: I am leaving san Francisco on March 3rd and will go back on the 13th.

system: How about American Airlines? They leave at 5 am and then the return is at 2 am. Cost is $772 each.

user: Fine, got it.

system: Have a good trip.