Hi.
Hello, how can I help you?
I would like to visit my friend's house at Houston, IAH. I need your help in booking a ticket with the fare of 5000.
Sure, I am here to help you. May I know your travelling dates?
My return would be on 07/16 and source is LAS. I need to start on 07/14.
Please wait for a while, I will check and get back to you.
Sure.
May I know your name?
My name is Brian Hernandez.
Sorry to tell that there is no flight found on your request.
Ok, not an issue.
Thank you for  approaching us.