You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to visit Las Vegas, will you help me in booking the flight ticket from AUS to LAS?

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

USER: My travelling dates are Dec 20 and Dec 22.

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

USER: Myself Raymond Moore.

ASSISTANT: Let me know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: No, thank you for asking.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok, I will wait.

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

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.