Domains: Flights_15, RentalCars_15

user: search round trips

system: where are you headed?

user: I am going to la to new york

system: when will you be back?

user: 14th of march 4 people

system: when will you leave>

user: 8th of march

system: american airlines 4 flights for 7:45 pm and comes back 6:20 pm and is $258

user: that is good

system: should I get tickets?

user: yes I do

system: New york to los angeles on american airlines on march 8th to march 14th and 6:20 pm and 7:45 pm and 4 people on economy

user: yes that works

system: ticket is ready for 1 stop flight

user: can I get a refund?

system: No you cannot

user: I want the car around 14:00

system: march 8th and march 14th

user: I need till march 11th and need it march 10th

system: 6 cars and car at lax international airport on march 10th and standard camry

user: thanks I want it

system: pick it up lax international airport on march 10th and march 11th at 2 pm and standard

user: yes that works

system: it is done

user: thanks a lot

system: anything else then?

user: no thank you

system: have a nice day