You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you aid me in booking a flight ticket from AUS to LAX?

ASSISTANT: Sure, may I know the planned travel dates?

USER: I am planning to start on Mar 25th and return back on Mar 27th.

ASSISTANT: Do you have any specifications?

USER: I am planning to depart from my source in afternoon time.

ASSISTANT: Please provide me the name.

USER: I am Christopher Smith. I want to travel in direct flight.

ASSISTANT: May I know about the connection limit? Ok, please on hold.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting. Here, there are no flights are available for your desired intent.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.