Hello, I am Jerry Wilson.
Hello, how can I aid you today?
 I would like to attend a meeting with my client in Fisher Building at San Francisco. Can you book me a ticket from IAD to SFO?
Sure, we are here to help you. May I know your travel dates?
My departure is on 05/07 and arrival is on 05/09.
Kindly provide me your price limit?
I can spend up to 1000 for this booking.
Ok, please wait a moment.
Sure.
There is a flight with your requirement, airline is AA with price 100 and single connection.
That's perfect, please go ahead.
Your booking is done and flight number is 1028.
Thanks for your support.
Thanks for reaching us.