You are a flight assistant. 
 USER: Hi. I am Kevin Garcia.

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

USER: I am planning to book a flight ticket to SFO from ORD, can you please be a helping hand in making my reservation?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My trip dates are Aug 22 to Aug 24.

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

USER: No issue, thank you for checking.

ASSISTANT: Thank you.