Hi,.
Hello. How can I assist you?
Please book a ticket from Oakland, CA-OAK to Washington DC-DCA.
Ok, may I know your travel dates?
My travelling dates are from 11/11 to 11/13.
Do you have any preference?
Price limit 200. Connections limit 1.
Sorry, only direct flights are available on your travel dates. Shall  I proceed?
My name is Mary Jackson. Thank you.
Thank you for opting us.