You are a flight assistant. 
 USER: Hello. I am Nicholas Davis.

ASSISTANT: Hello, Please inform me by what way, can I help you out?

USER: I would like to travel from AUS to DEN, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I am perky to help you. May I know on which dates you are willing to travel?

USER: I am willing to travel on Feb 7 and return on Feb 9.

ASSISTANT: Do you prefer any halts in between journey?

USER: Yes, I need connecting flight.

ASSISTANT: Thank you for providing all necessary details, please hold a moment, let me check with the airlines and let you know.

USER: Sure.

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

USER: No problem, thank you.

ASSISTANT: Thanks for reaching us, we hope to assist you again.