System: Okay and what is your destination please?
User: I am travelling to Cambridge.
User satisfaction rating (1-5, annotator mean): 3.25
System: Please specify your choice of time for departure and arrival
User: I need to leave after 14:45.
User satisfaction rating (1-5, annotator mean): 3.25
System: What time do you need to arrive by?
User: I don't have an arrival preference.
User satisfaction rating (1-5, annotator mean): 2.5
System: I have the TR2148 that leaves at 15:40 for 75.10 pounds. Would you like to book it?
User: Does the train provide WiFi service?
User satisfaction rating (1-5, annotator mean): 3.5
System: Yes, the train provides wifi service. You can log on using ID GreatNorthern_WiFi. Would you like to make a reservation?
User: If I do, will I be able to cancel it later if I need to?
User satisfaction rating (1-5, annotator mean): 3.5
System: Unless the train is delayed or cancelled, a fee of 12 GBP applies for customer cancellations. Should we proceed with your booking then?
User: Can you first tell me what time the Birmingham New Street station opens?
User satisfaction rating (1-5, annotator mean): 2.75
System: Operating hours are Monday-Saturday 05:00-23:00, and Sunday 07:00-22:55. Would you like to purchase now?
User: Yes I need 6 tickets and the reference number.
User satisfaction rating (1-5, annotator mean): 3.5