Hi.
Hello.
Myself Raymond Allen.
How can I help you Allen?
I want to travel from SFO to ORD, can you  please book a flight ticket for me?
Sure. Please mention your trip dates.
I want to travel from 11/25 and 11/27 dates.
Please wait for a moment.
Sure.
Sorry Allen, I could not any flight for you as per your details.
It's ok, thank you for the information.
You are welcome.