You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,How can I assist you?

USER: Can you please book a ticket?

ASSISTANT: Sure, May I know your details for booking a flight?

USER: OK, my origin is  NY-JFK and  destination is DC-IAD. And my dates are departure 07/30 and return on 08/01.

ASSISTANT: Please wait for a while, So that I can check and revert back to you.

USER: OK.

ASSISTANT: May I know your name?

USER: Helen Perez.

ASSISTANT: Yes, the flight ticket is available as per your requested dates.

USER: OK,  you can proceed.

ASSISTANT: And flight details are as follows Airline-Hawaiian flight number-1012 and price limit is 100. OK, your ticket has been confirmed.

USER: OK, Thank you.

ASSISTANT: Your most welcome, Have a great day ahead.