You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am planning to travel Washington to met my best friend so please help me out in booking the ticket from AUS to DCA.

ASSISTANT: Sure, I will help you with that. May I know your travel dates for booking flight ticket?

USER: My trip dates will be 09 to 11 of the September month.

ASSISTANT: Ok, please wait a moment, I will check flight availability in this route as per your requested dates.

USER: Ok, take your time.

ASSISTANT: Sorry no flights are available in this route as per your requested dates.

USER: That's ok, no problem.

ASSISTANT: May I know your name for documentation purpose?

USER: Janet Scott is my name.

ASSISTANT: Thank you for reaching us.

USER: Thank you.