Hello. I am John Smith.
Hello, how can I provide assistance to you?
I need to book a ticket to meet my uncle and aunt for attending an retirement function  of my grandfather.
Ok.
Could you please help me in booking a ticket to DCA?
Sure, I am perky to help you. May I know your source airport code?
My source code is OAK.
Do you have price limit?
Price should be below 200.
Please share your travelling dates.
My travelling dates are 01/13 and return on 01/15.
Please wait for a while, I will check the availability of flights and let you know.
Sure.
Thank you for being patience. I am here to inform you that, there is a flight available with Hawaiian airline, flight number 1008 with one lay by. Shall I proceed to reserve?
You can proceed.
Your flight has been confirmed with ticket having fare 200.
Thank you for booking a ticket.
Thank you for reaching us.