Hi.
user
Hello, How can I help you?
assistant
I am Larry Hall. I want to see a live football match at Fort Worth. Can you be my helping hand in booking a ticket from DCA to DFW.
user
Ok, May I know the travelling dates?
assistant
My preferable dates are from 10/14 to 10/16.
user
Sorry to tell that there is no flight found based on your requirements.
assistant
Ok, not an issue. Thank you for your help.
user
 Thank you for reaching us.
assistant