You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me to book a flight ticket from AUS to LAX?

ASSISTANT: Sure, may I know your preferred dates to reserve your seat?

USER: My travel dates are Sept 03 and Sept 05.

ASSISTANT: Do you need any connections between your trip?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your name?

USER: I am Melissa Perez.

ASSISTANT: Do you need any other requirements?

USER: No, thanks for asking.

ASSISTANT: We regret to inform you that there is no flight going on your way.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.