You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Need your assistance for booking from DCA to reach my destination in a direct flight.

ASSISTANT: Sure, let me now your planned journey dates?

USER: My planned dates are on Oct 05 and 07.

ASSISTANT: May I know your takeoff airport code?

USER: Destination Airport code is EWR.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Emily Jones.

ASSISTANT: Thanks for your details, there is no flight found on your desired journey routes.

USER: Ok, thank you.

ASSISTANT: Thank you for availing us.