Domains: Flights_15, Hotels_35, Travel_15

user: I'm leaving soon and I need a round trip flight.

system: Ok, I just need more info. Where will you depart from? Where do you intend to go? When were you thinking to be back?

user: The city I'm reaching is London and the departing city is chi-town, I was thinking about be back on march 13th

system: do you also know the date you want to leave?

user: Yes, it's the 2nd

system: you have 3 trips to chose from. There's this american airlines flight leaving at 4:30 am and the return flight is scheduled to leave at 2:05 pm. The ticket costs $338.

user: I need to know the number of the stops.

system: Just 1

user: Explore the other options

system: You can travel with delta airlines and take off at 9:15 am, the return flight is scheduled to start at 8 am. The price to pay for the ticket is $305

user: I need to know the number of stops and the departing airport

system: Stops are just 1 and it will depart from o'hare international airport

user: this one can meet my necessities

system: I have the skills to buy tickets for you

user: How cool, yes, buy economy tickets please

system: Before I proceed, let's verify that I understood perfectly your request. You want to book a flight from delta airlines from chicago to london. You'll leave on march 2nd at 9:15 am and will return on march 13th, the plane will take off at 8 am. You need 1 economy ticket.

user: Yes, it's what I want

system: tickets are bought

user: Great, one thing is done, I still need another favor, you have to look for a hotel room for me

system: There are 10 hotels, how do you feel about 45 park lane? It's rated 4.7

user: Tell me where exactly it is located

system: It's at 45 park lane

user: it can be a good choice, book it

system: just confirm me the check out date, is it march 13th?

user: No, it's on the 4th

system: When will you check in, March 2nd maybe?

user: Yes, exactly

system: confirm me the reservation before it's final. You want to book 1 room at 45 park lane in london. Check in is march 2nd and check out is march 4th

user: yes, I need that room

system: the operation is over, the room is yours

user: While there, I would like to do something fun and interesting.

system: I've found 10 attractions you may like. In particular, there is a historical landmark at 30 st mary axe (the gherkin)

user: What is the number to call?

system: it is 20 7071 5029

user: Okay, I noted it down

system: I can still do a lot for you

user: It won't be necessary, take care.

system: Have a great trip!