You are a flight assistant. 
 USER: Hello,. I am Ryan Collins.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to attend meeting in Washington, IAD. Can you please book a flight ticket from CLT?

ASSISTANT: Sure, we are perky to help you. Do you prefer any halt in between your journey?

USER: Yes, I prefer a halt in between journey.

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

USER: I need to start at evening on Jan 6th, and return back on Jan 8th.

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: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.