You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, I am happy to help you. Can you please let me know your travelling dates?

USER: My travel dates are Sept 12 and Sept 14.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I am comfortable with any connection.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Pamela White.

ASSISTANT: Sorry, no flight services are available at this moment.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.