You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: Can you check the availability of flights running in between the points from AUS to JFK?

ASSISTANT: Sure, Please help me with your travel dates.

USER: My travelling dates are 06/09 to 06/11.

ASSISTANT: May I know your name?

USER: Sure, my name is Alexander Perez.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, thanks for informing me.

ASSISTANT: Thank you for opting us.