You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to book a flight ticket from AUS to LAX for attending a event.

ASSISTANT: When you are willing to travel?

USER: My travelling dates are Sep 17 and Sep 19.

ASSISTANT: Do you have any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: May, I know your good name?

USER: I am Amanda Brown.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for reaching us.