You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Need your assistance for booking a flight ticket to attend for an Innovation festival in DCA.

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are on Sept 26 and 28.

ASSISTANT: Do you have any connection limit?

USER: I need a connected flight.

ASSISTANT: Can you please share your boarding point?

USER: I am boarding from AUS.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Sure, my name is Linda Allen.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for reaching us.