Domains: Flights_15, Hotels_15

user: I'd like a one way flight on the 4th of this month to Portland, OR. I need a premium economy ticket.

system: Departing from where?

user: From Vegas please.

system: I have 4 possibilities for you. American Airlines has a 7:15 pm flight with a 1 stop for $331.

user: Where does that take off from?

system: It leaves from McCarran International Airport.

user: Is there something else?

system: There's a Delta Airlines flight with a 4:45 PM departure and 1 stop for $339.

user: I like that one.

system: Would you like to purchase tickets?

user: Yes, I need four tickets please.

system: Confirming a flight on Delta Airlines from Las Vegas to Portland on March 4th, for 4 premium economy tickets.

user: Perfect. What's the arrival time of the onward flight?

system: That arrives at 9:05 PM. Your tickets have been booked.

user: Where does it leave from and is the ticket a refundable one?

system: The flight takes off from McCarran International Airport but it is not a refundable ticket.

user: Thank you. I also need to find 1 hotel room there.

system: I have 10 possible hotels for you. How about Aloft Portland Airport at Cascade Station hotel, which has 3 stars.

user: How much does that cost and do they have Wi-Fi?

system: Yes, they do have Wi-Fi and the hotel is $114 nightly.

user: I think that will work.

system: Shall I book a room for you?

user: No thank you, I'm all set.

system: Thank you very much.