Hi,.
user
Hello, how can I provide assistance to you?
assistant
I want to visit Houston for a short vacation.
user
Ok, can I know your other journey details?
assistant
My travelling days are 12/24 and 12/26. Airport codes are  from CA-LAX to TX-IAH.
user
Ok, may I know your name?
assistant
I am William Gonzalez.
user
Ok, give me a minute, I will check the availability of flight.
assistant
Ok.
user
Sorry, we could not find any flights for Houston.
assistant
Thank you for your service.
user
Thank you for reaching us.
assistant