You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Joseph King here.

ASSISTANT: How may I help you? ok.

USER: Can you please me to book my ticket?

ASSISTANT: Can you please say me the details of travelling.

USER: My travelling source code is LAS and destination code is PHX.

ASSISTANT: Please, can you provide the dates u perfer.

USER: My travelling dates are 05/16 and 05/18.

ASSISTANT: Yes, we have the flight on your preferable details.

USER: Ok, may I know the price of the flight ticket?

ASSISTANT: Airline of Hawaiian,flight number is 1005 within price limit of 200.

USER: Ok, you can proceed.

ASSISTANT: Thank you for confirmation, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Welcome.