You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I amend you?

USER: I am planning to attend my friend marriage at Charlotte NC-CLT.

ASSISTANT: Ok.

USER: Could you help me with booking a direct flight?

ASSISTANT: Sure, Please share me your trip dates?

USER: My travelling dates are 03/29 to 03/31.

ASSISTANT: Where are you going to start your journey?

USER: My origin point is IL-ORD.

ASSISTANT: May I know your good name please?

USER: I am Patricia Walker.

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 your information.

ASSISTANT: Thank you for reaching us.