Hello.
user
Hello, how can I assist you now?
assistant
I have to attend a conference meeting in New York, could you please help me to book a flight ticket from IAD to JFK?
user
Sure, I am happy to help you with that. Can I have your travel dates please?
assistant
I am happy for your quick response. My preferable journey dates are 13-Feb and 15-Feb.
user
Ok, please let me know your preferable class.
assistant
I am willing to travel in an economy class flight.
user
Do you have any other specifications?
assistant
I prefer a single connecting flight for my journey.
user
Can I have your good name please?
assistant
My name is Rachel Harris.
user
Ok, please wait a moment.
assistant
Ok.
user
Sorry  Rachel Harris, no flight is available to you on your dates.
assistant
It's ok, not a problem with that. Thank you for searching the flights.
user
Thank you for choosing us, have a good day.
assistant
Welcome.
user