Hello.
user
Hello, How can I assist you?
assistant
I would like travel from Los Angeles, CA - LAX to Houston, TX - IAH. Can you book a flight ticket? My preferable dates are departure on  04/02 and return on 04/04.
user
Sure. May I know your name?
assistant
Richard Jones is my name.
user
Ok, Just a minute I will revert you.
assistant
Sure.
user
Sorry to inform you that there are no flights found according to your requirements.
assistant
Not a problem. I will find another option. Thanks for your information.
user
Ok, thank you for connecting us.
assistant