You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: I am Michelle Johnson here. I would like to reserve my ticket from Las Vegas, LAS to JFK. Can you help me in booking a flight ticket?

ASSISTANT: Michelle Johnson, I am here to help you for this. When you are willing to leave?

USER: I want to start my journey on Mar 31st and return back on Apr 02nd.

ASSISTANT: Do you have any airline preference?

USER: I am comfortable with any airline.

ASSISTANT: As per your data, there is a flight with Delta airlines and the ticket fare is 200. Would you like me to make the booking now?

USER: If it is a connecting flight, you can proceed for further.

ASSISTANT: Your ticket is reserved in economy class with the flight-1012. Your departure time is 12:00pm, and again your arrival time is 3:00am.

USER: Thank you for reserving my ticket for the flight- 1012.

ASSISTANT: Thank you very much for reaching us.