You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: William White here.

ASSISTANT: How may I help you?

USER: I am looking for booking a ticket to LAS, going to give a presentation of my story to a publisher at Las Vegas, can you please book a ticket?

ASSISTANT: Sure, please provide your complete details of your trip.

USER: My source airport code is IAH. I will go on 10/17 and return on 10/19.

ASSISTANT: Ok, I got a flight for you with the airline Hawaiian. Should I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been done with the flight number 1028.

USER: Thank you for your service.

ASSISTANT: Ok, thank you for reaching us.