You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Jason Campbell, I need a flight ticket to LAX from AUS region to meet my child hood friend. Can you please help me in booking?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: Thank you and I would like to airborne on 04/03 and recur back on 04/05.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is no flight as per your requests.

USER: So sad to here, I can prefer any another source to reach my destination. Thank you for your help.

ASSISTANT: Thank you for reaching us.