Hello. I am Brian Wilson.
Hello, how may I render you?
Will you please aid me in reserving a flight ticket to New York, EWR as I am planning to visit  metropolitian museum?
Sure, I am glad to help you.
Thank you.
Let me know your source code.
Chicago, ORD is my boarding point.
May I know your travelling dates?
My schedule dates of journey are 10/13 to 10/15.
Thanks for the information.
Ok.
There is no flight available matching with your requirements.
It's ok, no problem.
Thanks for reaching us.