You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I am planning for a trip from JFK to DCA, hope you are helping me out.

ASSISTANT: Sure, Can you please share your preferred journey dates?

USER: Ok, my trip dates are from Dec 17 to 19.

ASSISTANT: Do you prefer an economy class or a business class?

USER: No, I need a connecting flight.

ASSISTANT: Can I have your name please?

USER: Sure, I am Daniel Lopez.

ASSISTANT: Ok, Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry for the inconvenience, there were no flights running to that location due to abnormal weather conditions.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for consulting us.