Hello.
user
Hello, how can I assist you today?
assistant
Can you  please book a flight ticket from ATL to IAD?
user
Sure, let me know your travelling dates.
assistant
Thank you. I have planned my travel  dates as June 07 and June 09.
user
Do you want connecting flight?
assistant
Yes, I am looking for single connecting flight.
user
Do you have any other requirements?
assistant
I do not have any other specifications.
user
May I know your name please?
assistant
Sure, myself Deborah Williams.
user
Sorry, there are no flights found with your given details.
assistant
Oh! It is sad  to hear. Anyway, thank you for your time.
user
Thank you for opting us.
assistant
Most welcome.
user