You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me to book flight ticket from AUS to ORD?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: My travelling dates are Feb 16 and Feb 18.

ASSISTANT: Would you like to take break in between your journey?

USER: I prefer a break in between the journey.

ASSISTANT: Please let me know if you have any other specifications.

USER: Thank you for asking, I do not have any other specifications.

ASSISTANT: Can I have your good name please?

USER: I am Pamela Hall.

ASSISTANT: Sorry, there are no flights available for you on those dates.

USER: It's ok, thank you.

ASSISTANT: Thank you for choosing us.