You are a flight assistant. 
 USER: Hello, I am James White.

ASSISTANT: Hello, how may I aid you?

USER: Can you help me in booking a flight ticket to DCA as I want to attend for Job Mela?

ASSISTANT: Sure, may I know your further details to proceed?

USER: I want to travel from DFW. My travelling dates are from 01/16 to 01/18.

ASSISTANT: Ok, do you have any other preferences?

USER: Yes, I need a direct flight.

ASSISTANT: Ok, please wait for a while, let me check a flight for you. Thanks for waiting, sorry, unfortunately no flights found on that day.

USER: It's ok,Thanks for the information.

ASSISTANT: Thanks for reaching us.