Domains: Flights_13, Buses_23

user: I need to book a one-way flight.

system: Sure, what's your destination and when and where are you leaving from?

user: I'm going from Seattle to Portland, OR on the 3rd.

system: Okay, I found 3 flights that look right. How about an American Airlines flight with 0 stops leaving at 8:05 am? It's $75.

user: Is it refundable and when does it land in Portland?

system: It's not refundable, sorry. It arrives at 9:03 am.

user: Sounds good, but check on flexible bus tickets too. Look for something leaving the 13th of March.

system: Sure thing, there's 10 you may like. I found a $50 flexible ticket for the bus leaving at 6:10 am.

user: Anything else? Try searching for four economy extra tickets.

system: Sure, I found 9 options. There's a $35 economy extra seat on the bus departing at 6:30 am.

user: Let's buy those.

system: Sure, please confirm you'd like 4 economy extra tickets for the bus from Seattle to Portland leaving March 13th at 6:30 am.

user: Sounds good to me.

system: I've confirmed your tickets.

user: Okay, what bus station am I leaving from?

system: It's King Street Station.

user: Great, thanks for doing that.

system: Sure thing, need anything else?

user: Nope, that's all for now.

system: Enjoy your day.