Hello, I am Christopher Miller.
Hello, how may I serve you today?
I am planning to visit National Book Festival at Washington, DC-DCA, can you please book a flight ticket?
Sure, please share your source point.
My origin is Houston, TX-HOU.
Ok, also provide your price limit.
I need a flight ticket within price of 500.
can you please share your journey dates?
My travelling dates are from 11/16 to 11/18.
Ok, please stand by.
Ok.
Thank you, sorry no flight found with your details.
Ok, no problem.
Have a nice day.