You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

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

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

USER: I will start on 12/18, and return on 12/20.

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

USER: I am Joseph Roberts.

ASSISTANT: Let me know your connection limit?

USER: I need a break in my journey.

ASSISTANT: Do you have any other requirements?

USER: No.

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

USER: No problem, thanks for the information.

ASSISTANT: Thank you for choosing us.