Domains: RentalCars_15, Buses_25, Flights_15

user: I need a rental car in Portland starting at afternoon 1:30.

system: What date and when to?

user: I need the car beginning this Sunday until March 7th.

system: I found a car at PDX International Airport available on March 3rd. It is a standard Accord.

user: Anything else? I want a standard.

system: I found 7 options including a car available at the Portland Bus Station on March 3rd. It is a standard Camry.

user: That will be cool.

system: Are you ready to reserve?

user: No, not now. I need 4 economy extra tickets for later today.

system: Where are you leaving from?

user: I am leaving from Vancouver, BC.

system: I found 8 buses including one leaving at 9:20 am. It is $52 for an economy extra seat.

user: What is the name of the bus stations?

system: The origin station is Pacific Central Station. You will arrive at Portland Bus Station.

user: Cool.

system: Are you ready to buy tickets?

user: No, not yet. I want to find a round trip flight to Portland.

system: Are you coming back on March 7th? Are you leaving March 1st or March 3rd?

user: I am leaving later today and returning on the 9th of this month.

system: I found 1 flight on United Airlines. The outbound flight leaves at 6:05 pm. The returning flight arrives at 10:35 am. The ticket cost is $239.

user: When does the onward flight arrive? At which airport?

system: The flight arrives at 11:53 pm at PDX International Airport.

user: That will be perfect.

system: Are you ready to buy tickets?

user: No, that is all I need.

system: Have a nice day.