You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I guide you today?

USER: Please book a ticket from San Francisco, CA-SFO to New York, NY-EWR.

ASSISTANT: Sure. Let me know your journey dates for booking.

USER: Depart is by 08/16 and 08/18 is return date.

ASSISTANT: Ok, may I know your name?

USER: My name is Ashley Young.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time, there were no flights running at that location due to abnormal weather condition.

USER: Thanks.

ASSISTANT: Thank you for availing us.