Domains: Flights_13, Buses_23

user: Hey, get me a 1 way ticket.

system: Where will you go, when will you go, and Where will you originate from?

user: I'm going to Seattle on the 12th of this month from Portland.

system: How about an American Airlines leaving at 9:15 pm. It has 0 stops and only costs $86.

user: Ugh.. how about another choice?

system: Try Delta Airlines leaving at 9:35 am with 0 stops. It only costs $76.

user: You're going in the right direction.

system: Do you need a ticket?

user: No, what would a bus trip be like going there?

system: Do you want to leave on March 12th?

user: No, I'm leaving on the 9th.

system: There's bus departing at 8:40 am. It's economy priced at $29.

user: I'll take it.

system: Shall I purchase the tickets now?

user: No. Not at this time.

system: What else can I do for you?

user: You could book the flight you found.

system: You are booking an Economy seat on Delta Airlines flight that departs Portland on March 12th and ends up in Seattle. There will be 1 passenger.

user: That's it. Which airport is it leaving from? Is there a refund policy?

system: Your ticket from PDX International Airport is confirmed and is not refundable.

user: I appreciate your help. That'll be all.

system: Take care now.