Hi, I am Ronald Smith.
user
Hello, how can I help you?
assistant
Can you please book me a direct flight to Houston, TX - HOU?
user
Sure. May I know your source code?
assistant
Sure, my source is San Francisco, CA - SFO.
user
On which dates you would like to travel?
assistant
My journey dates are on 06/07 to 06/09.
user
Unfortunately, there was no flight available that matches your requirements.
assistant
OK, not a problem. Thanks for your quick response.
user
Thank you.
assistant