You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you at present?

USER: Can you please help me in booking from IAD to SEA?

ASSISTANT: Sure, I am mirthful to help you for booking.

USER: Thank you.

ASSISTANT: May I know your planned journey dates?

USER: My travelling dates are from Aug 9 to Aug 11.

ASSISTANT: Ok, Can you please share your connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Michael Williams.

ASSISTANT: Ok, please wait for a wait.

USER: Sure.

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

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for reaching us.