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