You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I need a direct flight from AUS to LAX, please help me in booking a ticket.

ASSISTANT: Sure, could you please share me with your respective airports codes? May I know your dates of journey please?

USER: My journey dates are 10/30 and 11/01.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no flight found as per your travelling details. May I know your name please?

USER: My name is Amy Hill. Thank you for your information.

ASSISTANT: You are welcome.