You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travelling dates are Sept 8 to Sept 10.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Robert Gonzalez.

ASSISTANT: Let me know your connection limit?

USER: No, I am comfortable with any flight.

ASSISTANT: Do you have any other requirements?

USER: No, thanks for asking.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.