You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am looking to book a flight ticket to meet my friend in Washington. Can you help me for booking a flight ticket from MSP to DCA?

ASSISTANT: Sure, I am glad to help you. May I know your planned dates?

USER: My travelling dates are Feb 23 and Feb 25.

ASSISTANT: Ok, please share your class preference.

USER: Any class is fine for me.

ASSISTANT: May I know your name please?

USER: My name is Rebecca Wright.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

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

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for availing us.