You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to book a ticket from IAH to MSP.

ASSISTANT: Sure, may I know the travelling dates?

USER: Travelling dates are from Jan, 28 to Jan, 30.

ASSISTANT: Do you have any connection limit?

USER: I would be comfortable with single stop over.

ASSISTANT:  Are there any other specifications?

USER: I prefer business class.

ASSISTANT: May I know your name?

USER: I am Cynthia Wilson.

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

USER: Thanks.

ASSISTANT: Thank you for opting us.