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