Hello.
user
Hello. How can I assist you at this moment?
assistant
I am looking to book a flight ticket to meet my friend in Chicago. can you help me for booking a flight ticket from IAH to ORD?
user
Sure, I am here to help you. Can you please provide your journey dates?
assistant
My travelling dates are Apr 19 and Apr 21.
user
Do you have any connection limit preference?
assistant
I need a single connecting flight.
user
May I know your airline preference for this trip?
assistant
No.
user
Do you have any other specifications?
assistant
I prefer to book a economy class.
user
May I know your good name please?
assistant
My name is Edward Miller. Just now I have changed my decision, please search a flight in business class.
user
Edward Miller, there are no flight services are available on this route with your preferences.
assistant
That's ok, thank you for checking.
user
Thank you for contacting us.
assistant