System: What is departure and arrival city and when?
User: Departure is LA and arrival is Seattle to return on the 10th of this month.
User satisfaction rating (1-5, annotator mean): 3.33
System: When do you depart?
User: I want to leave today.
User satisfaction rating (1-5, annotator mean): 3
System: There are 5 found. An Alaska Airlines flight departs at 5:15 am and returns at 12 pm for $205.
User: Are there others because I need four in any class.
User satisfaction rating (1-5, annotator mean): 3.33
System: There is a flight that departs at 11:45 pm and returns at 8:15 am on American Airlines for $150.
User: I accept this flight.
User satisfaction rating (1-5, annotator mean): 3.33
System: Do you want to purchase?
User: No I do not want yet.
User satisfaction rating (1-5, annotator mean): 2.67
System: Is there anything else you want?
User: No that is all.
User satisfaction rating (1-5, annotator mean): 3