You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

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

USER: I will start on 08/09 and return on 08/11.

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

USER: I am Elizabeth Walker.

ASSISTANT: Let me know your connection limit?

USER: I need a direct flight.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.