You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Mark Baker, I need to book a flight ticket on 02/27 and return on 02/29. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, could you please provide me your airport codes?

USER: MN-MSP and NY-JFK are my travelling airport codes.

ASSISTANT: Please wait for a moment.

USER: Ok.

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

USER: No problem, thank you for your help.

ASSISTANT: Have a good day.