You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Will you please help me in booking a flight ticket from LAX to AUS?

ASSISTANT: Sure, on which dates would you like to travel?

USER: I would like to travel on Sept 2nd and return on Sept 4th.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: Carolyn Taylor.

ASSISTANT: Please give me a minute to check the availability of flights.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your preferable travel dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.