Hello.
user
Hello. How can I help you?
assistant
I am planning to visit a college annual day  in DFW from JFK, can you find a ticket for me?
user
Yes, could you tell me your travelling dates?
assistant
Sure, my departure date is 08/08 and the arrival date is 08/10.
user
Sorry, there is no flight found matching your requirement. Sorry for the inconvenience.
assistant
OK, no problem.
user
Can I know your name for documentation purpose?
assistant
Sure, I am Karen Brown.
user
Thank you for details.
assistant
Thank you for your help.
user