System: Sure, Where are planning to make a trip, please mention the destination and departure points? When do you plan to leave?
User: I am leaving form Washington to Mexico city on the 10th.
User satisfaction rating (1-5, annotator mean): 3
System: There is search results for your requirement, American Airlines outbound flight is leaves at 10:15 am and it has 1 stop. The price of the ticket is $243.
User: Which Airport does the flight depart from? Does the Ticket refund option is available?
User satisfaction rating (1-5, annotator mean): 2.33
System: Unfortunately ticket refund option is not available for your trip and the flight departs from the Dulles International airport.
User: That sounds great.
User satisfaction rating (1-5, annotator mean): 3.67
System: Do you want tickets for it?
User: No, I don't.
User satisfaction rating (1-5, annotator mean): 2.33
System: shall I help you with anything else?
User: No, thanks for your help.
User satisfaction rating (1-5, annotator mean): 2.67