Hi.
user
Hello. How can I help you?
assistant
Robert Allen here. I want to visit SFO. Can you book my ticket from IAD?
user
May I know your travelling dates please?
assistant
My travelling dates are from 02/06 to 02/08.
user
I am sorry no flights found on your route.
assistant
That's fine. Thank you for your time.
user
Thank you for choosing us.
assistant