You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you now?

USER: I am looking for a flight with fare of 200 to reach New York, can you help me with booking a flight ticket?

ASSISTANT: Sure, I can help you to book your ticket.

USER: Thank you.

ASSISTANT: May I know your preferable travel dates?

USER: Sure, my travelling dates are 09/19 and 09/21.

ASSISTANT: Please ensure your source with airport code?

USER: It's from OAK to JFK.

ASSISTANT: A flight in Hawaiian airline with flight number 1021 matching your requirements. Shall I proceed to this connecting flight?

USER: May I know the fare of this flight?

ASSISTANT: Fare is 200 only.

USER: Now you can proceed with the booking.

ASSISTANT: May I know your name to confirm final process of booking?

USER: Sure, book on my name, Patrick Hernandez.

ASSISTANT: Ok, your booking has been confirmed successfully.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us, have a safe journey.

USER: Welcome.