You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in booking a flight ticket from JFK to SEA?

ASSISTANT: Sure, may I know your name?

USER: Myself Jason Lee.

ASSISTANT: When do you want to travel?

USER: I would like to travel from Dec 16 to Dec 18.

ASSISTANT: Do you have any specifications?

USER: I would prefer economy class for my journey.

ASSISTANT: Flight-1014 is available with JetBlue airlines having single connection and the ticket costs you 200 only in economy class. Are you comfortable with this flight?

USER: Please make sure that, I need to depart in the evening.

ASSISTANT: It is depart at evening time.

USER: Ok, please confirm that flight.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you.