You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: Can you please help me in booking a flight ticket from JFK to DCA?

ASSISTANT: Sure, we are here to help you. Can I have your good name please?

USER: Myself Brenda White.

ASSISTANT: Ok, let me know your planned dates please.

USER: I want to fly on Mar 07 and return on Mar 09.

ASSISTANT: How many connections you prefer in your journey?

USER: I need a single connection.

ASSISTANT: Is there any other concerns?

USER: I would like to depart in the evening time.

ASSISTANT: Sorry to say that, no flights are found based on your information.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.