Domains: RentalCars_35, Buses_35, Flights_45

user: I need to find a rental car in Portland.

system: What time would you like to pick up the car and when do you want it till?

user: I need it until March 9th and want to pick it up at ten in the morning.

system: When will you want to start the car rental?

user: I need it starting the 8th.

system: There are 10 cars including a nice car at PDX International Airport a Sedan Buick Regal Sportback available.

user: What is the cost per day?

system: The cost is $33.00 a day.

user: That sounds nice. What about the buses that are going there?

system: When are you leaving and where from?

user: I am leaving at Seattle, WA on the 1st of this month.

system: I have 8 buses for you with one departing 7:30 am costing $31.

user: That sounds good to me.

system: Would you like to buy tickets for the bus?

user: I don't need to buy it now but want a one-way flight to there via Premium Economy class tickets.

system: Would you be leaving on March 8th?

user: I would like to fly with United Airlines and start my travel on the 5th of March.

system: I have 1 flight for you. Do you want to fly with United Airlines taking off at 8:55 pm a direct flight costing $117.

user: That sounds great to me and is all I need.

system: Have a nice day.