You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a flight ticket to Washington, Please help me out with a connection.

ASSISTANT: Sure, can you please provide your journey dates?

USER: My travelling dates are from 12/11 to 12/13.

ASSISTANT: May I know your boarding and landing points?

USER: I want to fly from AUS to DCA.

ASSISTANT: May I know your name please?

USER: I am Sharon Lopez.

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

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.