You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you today?

USER: Can you please help me to book a flight from DCA to reach DTW?

ASSISTANT: Sure, Let me know your connection limit.

USER: I prefer a single connection.

ASSISTANT: Ok, May I know your preferred dates?

USER: My preferable dates are on May 13th to 15th.

ASSISTANT: Ok, Is there any time concern?

USER: No.

ASSISTANT: Ok, Do you have any other requirements?

USER: No.

ASSISTANT: Can I have your good name please?

USER: Sure, my name is George Campbell.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you that, there were no flights running to that location due to bad weather conditions.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us.