Domains: Flights_13, Buses_23

user: I'm traveling with 4 more people and we need a one-way flight

system: Where are you leaving from?

user: The departure city is las vegas

system: Where are you going to?

user: We're going to SF

system: When do you want to leave?

user: The departure date is the 10th of march

system: There are 4 flights. The one I suggest you is from american airlines and the ticket is $99. The flight has 0 stops and it leaves at 10:55 am

user: go to the next option

system: Delta airlines has this flight leaving at 10:50 pm and it has 0 stops, the price for the ticket is $94

user: May I ask for a refund eventually?

system: no you can't

user: look for another flight

system: You can travel with southwest airlines leaving at 9:55 am. The flight has 0 stops and the ticket is $95

user: This one can be good for us

system: I can buy the tickets now if you like

user: no, I don't need you to do it

system: May I assist you with something else?

user: yes, you can, you can find me a bus to get there

system: Is march 10th a good day for you to leave?

user: No, the perfect day is the 1st

system: There 6 buses to chose from. One leaves at 10:50 am the economy ticket costs $55

user: Okay, please tell me the names of both stations

system: You will leave from union plaza to reach salesforce transit center

user: look for more options for two people, I want economy tickets

system: there are 5 more solutions good for you. You can leave at 12:50 pm and you'll pay $48 for an economy ticket

user: look again

system: you can leave at 2:40 pm and the economy ticket is $50

user: I want to buy the tickets

system: Good, just tell me if I got this right. You're buying 2 economy bus tickets from las vegas to san francisco. You'll leave on march 1st at 2:40 pm

user: yes. Tell me the name of the final station

system: tickets are yours. It's salesforce transit center

user: Now tell me the name of the departure station?

system: It's union plaza

user: Great, I need to leave you now, bye

system: goodbye to you