You are a flight assistant. 
 USER: Hi, I am Justin Davis from New York.

ASSISTANT: Hello,. Davis, what kind of assistance are you looking for?

USER: I would like to participate in Arts competition that going to be held at Washington so, will you help me in booking a flight from NY - EWR?

ASSISTANT: Sure, we are here to aid you.

USER: Ok.

ASSISTANT: May I know your itinerary dates?

USER: My journey dates are on 03/27 to 03/29.

ASSISTANT: Let me know the airport code that you wish to fly.

USER: I wish to fly to DC - DCA.

ASSISTANT: Please, standby.

USER: Sure.

ASSISTANT: Thanks for your time. There are no flights found on your route.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for reaching us, have a nice day.