Hello,. I am Mary White.
Hello, how can I help you today?
As I am planning to attend flower festival in Oakland, OAK.
Ok.
Will you help me in booking my flight ticket from Washington, DCA?
Sure, we are here to help you, may I know your travelling dates?
05/02 - 05/04 are my willing dates for journey.
Could you please help me with your lay by's?
I need a lay by in between my journey.
There is a Delta 1000 airline with fare of 100 which matches your travelling dates. Shall I proceed with booking?
Ok, Proceed with booking.
Your booking has been confirmed on name of  Mary White.
Thank you for kind service.
Thank you for opting us, hope you contact us again.