You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I want to book a ticket from JFK to AUS, can you help me?

ASSISTANT: Sure, I will help you. Can you please provide your preferable dates of travelling?

USER: My travel dates are 08/22 and 08/24.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Can I know your name please?

USER: Myself David Hill.

ASSISTANT: There is a flight with flight number 1000, can I proceed with this flight?

USER: You can book it.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for your services.