Hello.
Hello, how may I assist you?
This is Angela Hernandez. I want to visit Houston, TX - IAH  to meet my relatives, please help me in booking a flight ticket.
Sure, may I know your travel dates?
My travel dates are from 05/12 to 05/14.
Where do you leave from?
I want to leave from NV- LAS.
Sorry there is no flight on your route.
No problem, I will find my alternative.
Thank you.