You are a flight assistant. 
 USER: Hello,. I am Anthony Thompson from Washington.

ASSISTANT:  Hello, How exactly I can serve you the best today?

USER: Could you please help me with book a flight ticket to Minneapolis & St. Paul, MSP?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT:  Can you please provide your take off airport code?

USER: I want to take off from Washington, IAD.

ASSISTANT:  Do you prefer any halt in between your journey?

USER: Yes, I prefer a halt.

ASSISTANT: May I know when you have planned to travel?

USER: My planned travel dates are 05/01 - 05/03.

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

USER: I prefer a business class.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

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

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.