You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Please help me in booking  a flight ticket from IAD to ORD.

ASSISTANT: Sure, We are here to serve you. Can I know your travelling dates?

USER: My trip dates are from Feb, 16 to Feb, 18.

ASSISTANT: Do you need any break?

USER: I need a single connecting flight.

ASSISTANT: Is there any other requirements?

USER: I prefer to depart in the morning and I need a business class to fly.

ASSISTANT: May I know your name?

USER: Jessica Phillips.

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

USER: Thank you for your information.

ASSISTANT: Thank you for approaching us.