You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in booking my my flight ticket from SEA to AUS?

ASSISTANT: Sure, I'm glad to help you. Can you please provide your travel dates?

USER: My travelling dates are Nov 08 and 10.

ASSISTANT: Do you need break in between your journey?

USER: I need connecting flight.

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

USER: I need business class ticket.

ASSISTANT: Can I have your good name please?

USER: Myself Patricia Lee.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.