Domains: Flights_15, RentalCars_25

user: I need help finding 4 round trip tickets leaving on the 9th of this month.

system: Sure, where do you want to depart from?

user: I'll be departing from Chicago and don't have a preference on the class type.

system: Where you would like to travel to and when will you be returning?

user: I need to go to Philly and will return on the 13th.

system: There are 3 available flights. Would you like an American Airlines flight that leaves at 6:40 pm with a return flight that departs at 10:10 am? It would cost $132

user: What other flights are there?

system: Delta Airlines has a flight departing at 11:05 am for $149. The return flight would leave at 12:20 pm.

user: That's the one I want.

system: Would you like me to purchase ticket for that flight?

user: Yes, buy them please.

system: You would like 4 economy tickets for the Delta Airlines flight to Philadelphia that leaves from Chicago on March 9th at 11:05 am with a return flight on March 13th departing at 12:20 pm. Is that correct?

user: Yes, that's right. Does the flight have any layovers?

system: I have confirmed your tickets. The flight have 1 layover.

user: Can my ticker be refunded if my plans change? Also, what airport will I arrive at?

system: I'm sorry, your ticket is not refundable. You will arrive at PHL International Airport.

user: Perfect, thanks! Now I need to find a car to rent for me trip. Can you find me a rental begining on the 11th of March. I'll pick it up at evening 6.

system: Do you plan to return the car on March 13th?

user: No, I only want the car through the 12th of March.

system: Would you like to reserve a standard, full-size, or different type of vehicle?

user: An intermediate car would be fine.

system: Please confirm you would like to reserve a standard car from March 11th to March 12th and will pick it up at the PHL International Airport at 6 pm.

user: Yes, that reservation is correct.

system: Your car rental reservation has been confirmed.

user: Perfect. Thanks!

system: Is there anything else I can do for you?

user: Nothing further, thanks.

system: Have a niec trip.