You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Kevin Green, can you help me in booking my flight ticket to DEN from MSP?

ASSISTANT: May I know on which dates you are willing to travel?

USER: I am going to start my journey from Jan 17 to Jan 19.

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

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

ASSISTANT: Thank you for opting us.