You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you please book me a ticket from EWR to JFK? As I have a meeting at New York.

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: When you have planned to travel?

USER: My preferable journey dates are from Jan 22 and Jan 24.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: At what time, you want to travel?

USER: I want to depart in the afternoon and return in the evening time flight.

ASSISTANT: To proceed further, we need your name.

USER: My name is Christine Carter.

ASSISTANT: Thanks for your details, please standby.

USER: Sure.

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

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for choosing us.