You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Please help me in booking a flight ticket to DCA from PHL in June month.

ASSISTANT: Sure, could you please mention with your dates of journey?

USER: Sure, my dates of journey are June 09 and June 11.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Dorothy Young.

ASSISTANT: Are you looking for any other help from my side please?

USER: I need a direct flight for my journey.

ASSISTANT: Please wait for a mean while.

USER: Sure.

ASSISTANT: Sorry Young, there is no flight found as per your travelling details.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: You are welcome.