Hello.
user
Hello, how can I assist you now?
assistant
Can you please find a flight from IAD to CLT?
user
Sure, I will help you with that. Can I have your  travel  dates please?
assistant
Thank you. My trip dates are July 07 and July 09.
user
Ok, please let me know your  preferable timings of your  journey.
assistant
I am looking for a flight which is departing in the morning time and returning in the evening time.
user
Do you prefer any specific class to travel?
assistant
No but I am looking for a single connecting flight.
user
Can I have your good name please?
assistant
My name is Anna Hall.
user
Sorry Anna Hall, no flight is available to you on your planned dates.
assistant
It's ok, thank you for your time.
user
Thank you for choosing us, have a good day.
assistant
Most welcome.
user