You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this time?

USER: Myself Joshua White.

ASSISTANT: Nice to meet you White.

USER: I have to go Houston next week for my film shooting purpose, can you please book a flight ticket from Las Vegas?

ASSISTANT: Sure, I can help you. May I know the dates of your journey?

USER: My departure date is 11/26 and please book my return ticket also on 11/28.

ASSISTANT: May I know your nearest airport codes?

USER: I want to fly from LAS and destination airport is IAH.

ASSISTANT: Please give me a moment to find the flight on your dates.

USER: Ok.

ASSISTANT: UA airlines is providing a flight with a 1 halt in your trip, can I proceed?

USER: Please proceed.

ASSISTANT: White, the ticket booking is done.

USER: Thank you.

ASSISTANT: Welcome.