You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: Can you please help me to find a flight reservation from JFK to DCA for my holiday trip please?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned dates are om Dec 7th and return on Dec 9th.

ASSISTANT: Is there any class preference for you?

USER: I am ok with any class.

ASSISTANT: May I know your connection limit?

USER: My connection limit is 1.

ASSISTANT: May I know your airline preference?

USER: Any airline is ok for me, I am not much specific about it.

ASSISTANT: Your good name please.

USER: Myself Raymond White.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Oh! That's fine. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.