Hello.
Hello, how may I be at your service today?
Please help me to book a flight ticket from IAD to SFO.
Sure, I will help you in booking the ticket. May I know your travelling dates please?
My travel dates are 02 to 04 of Sep.
Do you have any other specifications?
I need a connecting flight.
Please help me with your name for booking.
I am Karen Johnson.
Sorry for this inconvenience, I could not find any flight with your requirements.
Oh! that very sad to hear, thank you.
Most welcome.