You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to attend for a Beer festival in DEN with my family. Can you please assist me for booking from DCA?

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

USER: My scheduled dates are on Aug 07 and 09.

ASSISTANT: Please provide me the specifications.

USER: I need a way station.

ASSISTANT: May I know the name?

USER: Sharon Evans is my name.

ASSISTANT: Sorry, there are no flights are available for your desired intent.

USER: Ok, thanks for your help.

ASSISTANT: Thank you for reaching us.