You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I amend you today?

USER: I am Helen Allen, I am planning to visit Los Angeles CA-LAX to watch my brother football game. Can you book a flight from DC-DCA?

ASSISTANT: Sure, we are mirthful to aid you. Let me know your travel dates.

USER: I will fly on 02/14 and return on 02/16.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: Thanks for your details. Sorry to inform you, currently no flights are running to that locations due to abnormal weather conditions.

USER: Ok, thank you for the details.

ASSISTANT: Thank you for reaching us, have a nice day.