You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you aid me in booking a flight ticket from DEN to HOU?

ASSISTANT: Sure, When your are willing to travel?

USER: I would like to go on Nov 05th and return back on Nov 07th.

ASSISTANT: Let me know your connection limit?

USER: Ensure it is a direct flight.

ASSISTANT: In which class would you like me to book your flight ticket?

USER: Any class is fine for me.

ASSISTANT: Do you have any other requirements?

USER: No, I don't have any other requirements.

ASSISTANT: May I know your good name please?

USER: Myself Karen White.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

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

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.