Hello, I am Patrick Jones.
Hello, how can I assist you?
I need to attend workshop in Smithsonian Institution at Washington, DCA.
Ok.
Can you help me with booking a connecting flight ticket?
Sure, I am mirthful to help you. Can I have your source code?
My source code is LGA.
May I know your depart date?
MY travelling dates are from 09/27 to 09/29.
Let me know your price limit.
My price limit is 200.
Thank you for sharing the details, give me a minute to check the flight availability.
OK.
Thank you for your time. There is a connecting flight of UA airline available with fare 100 and 1013 number.
You can proceed.
Your  reservation has been confirmed.
Thank you.
Thank you for choosing us.