System: What's your origin and what time do you want to leave? Also do you have an airline you prefer such as Delta Airlines, Air Canada, or anything else?
User: I'm going to be travelling from Philadelphia and I want to leave in the evening 5:15. And I like flying on American Airlines.
User satisfaction rating (1-5, annotator mean): 3
System: When would you like your return flight to leave.
User: For the return flight I'd prefer to leave at 13:45.
User satisfaction rating (1-5, annotator mean): 2.75
System: And what's the date of your return?
User: For my return, it'll be the 11th of March.
User satisfaction rating (1-5, annotator mean): 3.25
System: And what's your destination.
User: I'll be going to London, UK.
User satisfaction rating (1-5, annotator mean): 3.25
System: And what's your departure date?
User: I'll be departing on the 6th of this month.
User satisfaction rating (1-5, annotator mean): 3.25
System: Okay, please make sure this is all correct, You will be departing from Philadelphia next Wednesday at 5:15 pm for London and you will be returning on a March 11th flight that leaves at 1:45 pm. The airline is American Airlines, 1 seat in Economy class?
User: Yes, that's all correct.
User satisfaction rating (1-5, annotator mean): 2.75
System: I'm sorry, but I couldn't book a ticket with that itinerary. Do you need any more help?
User: Let's look for another time, I need to book this flight. For the onward trip can I leave at 07:00?
User satisfaction rating (1-5, annotator mean): 2.75
System: Okay, please make sure this is all correct, You will be departing from Philadelphia next Wednesday at 7 am for London and you will be returning on a March 11th flight that leaves at 1:45 pm. The airline is American Airlines, 1 seat in Economy class?
User: Yeah, that's correct.
User satisfaction rating (1-5, annotator mean): 3.75
System: I'm sorry, but I couldn't book that ticket either. Do you need any more help>
User: I still need to book a ticket. Can you change the destination to Phoenix, AZ with a return flight that leaves at 23:00?
User satisfaction rating (1-5, annotator mean): 2.5
System: Okay, please make sure this is all correct, You will be departing from Philadelphia next Wednesday at 7 am for Phoenix and you will be returning on a March 11th flight that leaves at 11 pm. The airline is American Airlines, 1 seat in Economy class?
User: Actually, please change the departure city to Los Angeles.
User satisfaction rating (1-5, annotator mean): 3.25
System: Okay, so a departing flight from Los Angeles and it leaves at 7 am?
User: Yeah, that's right.
User satisfaction rating (1-5, annotator mean): 3.5
System: I'm sorry, but I couldn't book that ticket. Do you need any more help?
User: No, thanks for the assistance.
User satisfaction rating (1-5, annotator mean): 3.25