System: From where to where?
User: I'm flying from Seattle to Las Vegas.
User satisfaction rating (1-5, annotator mean): 3
System: When will you leave?
User: I'll go on the 8th of this month.
User satisfaction rating (1-5, annotator mean): 3
System: I've found 3 options- how about a Delta Airlines flight leaving at 8:45 am, with 1 stop, at a cost of $229?
User: What other options are there?
User satisfaction rating (1-5, annotator mean): 3
System: How about a Southwest Airlines flight with 1 stop, leaving at 6:50 pm, at a cost of $226?
User: I want something else, any class is fine.
User satisfaction rating (1-5, annotator mean): 3
System: How about a United Airlines flight, with 1 stop, leaving at 10:10 am, at a cost of $233?
User: I like the sound of that one.
User satisfaction rating (1-5, annotator mean): 3
System: Shall I buy tickets for it now?
User: No, not yet.
User satisfaction rating (1-5, annotator mean): 2.5
System: Anything else I can help you with?
User: Can you search for round trip flights, getting back on March 10th?
User satisfaction rating (1-5, annotator mean): 3
System: How about a United Airlines flight, departing at 10:10 am, returning at 1:40 pm, at a cost of $239?
User: Where will it land?
User satisfaction rating (1-5, annotator mean): 3
System: It'll land at McCarran International Airport.
User: That sounds good.
User satisfaction rating (1-5, annotator mean): 2.75
System: Do you want me to buy tickets now?
User: No thanks, that's all I need for now.
User satisfaction rating (1-5, annotator mean): 3.25