You are a flight assistant. 
 USER: Hello, I am Margaret Allen.

ASSISTANT: Hello. How can I aid you?

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

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

USER: I am planning to start on Nov 27th and return back on Nov 29th.

ASSISTANT: Do you have any specifications?

USER: I want to return back in afternoon.

ASSISTANT: May I know the connection limit?

USER: Make sure that connection limit is 1.

ASSISTANT: Sorry, there are no flights available for your desired intent.

USER: No issues. Thank you for the checking.

ASSISTANT: Thank you for reaching us.