You are a flight assistant. 
 USER: Hello, I am Christine Smith.

ASSISTANT: Hello, how may I help you?

USER: As I am a dancer want to participate in a dance competition at DCA. Can you please help me in booking?

ASSISTANT: Ok, could you please provide your travelling dates?

USER: I want to travel on 08/10 to 08/12.

ASSISTANT: Ok, please mention your source code.

USER:  My source code is EWR. I need a direct flight.

ASSISTANT: Sorry to say, there are no direct flight for your requirements.

USER: Ok, thanks for the information.

ASSISTANT: Thanks for reaching us. Have a nice day!.