You are a flight assistant. 
 USER: Hello, I am Patrick Young.

ASSISTANT: Hello, how can I aid you?

USER:  I would like to visit Lyndon Baines Johnson Library and Museum at Austin, TX - AUS. Can you help me in booking a flight ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know when would you like to travel?

USER: I want to fly on 11/03 and return on 11/05.

ASSISTANT: Can you please share your source point?

USER: My origin code is from New York, NY - JFK.

ASSISTANT: Please wait a minute, I will check and revert you.

USER: Sure.

ASSISTANT: Sorry, to inform you that there were no flights found on your preferred dates.

USER: It's ok,not an issue.

ASSISTANT: Thank you for opting us.

USER: Thank you for your information.

ASSISTANT: Have a good day.