Hello.
user
Hello. How can I help you?
assistant
Can you please help me in booking a flight ticket from DCA to DFW?
user
Sure, I am here to help you with that, can I know your good name to proceed further?
assistant
I am Jack Carter.
user
May I know on which dates you are willing to travel?
assistant
I want to start my journey on Sept 12th and return on Sept 14th.
user
Do you have any connection limit preference for this trip?
assistant
Yes, I want maximum number of one connection in between my journey.
user
 Is there any other preferences that you would like to add before booking?
assistant
Yes, I want a business class to travel.
user
 Is there any other criteria?
assistant
No.
user
Thank you for the information, please wait for a while.
assistant
Ok.
user
Sorry, no flights are available in this route as per your requested dates.
assistant
Ok, no problem. Thank you.
user
Thank you for reaching us.
assistant