You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: I want to book a flight ticket from San Francisco CA-SFO to New York NY-JFK, help me in booking my flight ticket.

ASSISTANT: Sure, please let me know if you need a way station?

USER: I need a way station with in my journey.

ASSISTANT: When do you want to travel?

USER: I want to start on 03/08, my return date will be 03/10.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: May I know your name?

USER: I am Cynthia King.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

USER: Its ok, thank you.

ASSISTANT: Thank you for opting us.