You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Mark Brown. I would like to visit Red Rock Canyon National Conservation Area at Las Vegas, LAS. So, can you please book me a flight ticket within price 500?

ASSISTANT: Sure, let me know your travelling dates.

USER: I will travel on 02/02 and 02/04.

ASSISTANT: Please let me know your origin.

USER: It's ATL.

ASSISTANT: There is a connecting flight with price 200, flight number is 1004. Shall  proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with Hawaiian airlines.

USER: Thank you fro booking my ticket.

ASSISTANT: Have a nice day.