You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

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

USER: I would like to fly on Sep 01 and return on Sept 03.

ASSISTANT: Do you want connecting flight?

USER: I need a direct airline.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: Myself Stephanie Parker.

ASSISTANT: Sorry, there are no flights found with your given details. Thank you for opting us.