Hello.
Hello, how can I assist you at this moment?
I need to buy a plane ticket. Could you please help me in that?
Sure, I am happy to help you with that.
Thank you.
Can I have your travel dates please?
My journey dates are from May, 30 to June, 01.
Ok, please let me know the airport codes of your journey locations.
My source airport code is IAD and destination airport code is DFW.
Are you looking for any stop overs in between your journey locations?
I need a single connecting flight.
Do you prefer  any specific class?
No.
Can I have your good name please to proceed further?
I am Steven Baker.
Ok, please wait a moment.
Ok.
Sorry Steven Baker, no flight is available to you on your dates.
No problem, thanks for your information.
Thank you for choosing us, have a good day.