Hi.
Hello.
I am Jack Parker.
How can I aid you today?
 I want to book a flight ticket to Houston, HOU to submit my research record at Houston university. Can you help me in my booking?
Sure, I am here to help you.
Thank you.
Could you please help me with your travel dates?
I will start my journey on 03/27. I will return on 03/29.
May I know from where you are willing to travel?
My source airport code is New York, NY - EWR.
Ok, do you have any other essentials to meet?
I need a flight with a layover.
Ok, wait for a while.
Sure.
Sorry  Jack Parker, no flights found on your requested travelling dates.
Not an issue.
Thank you for choosing us, have a nice day.