Hello.
user
Hello, how may I serve you at this moment?
assistant
I am William Davis. I am looking for a flight from IAD to CLT, can you please help me out?
user
Sure, I will help you. Please send your travelling dates.
assistant
My travelling dates are 04/10 and 04/12.
user
Please be on hold for a moment, I will check the availability. There is a connecting flight available with AA airline, shall I book it?
assistant
Please proceed.
user
Your booking is done with flight number 1001. Happy journey.
assistant
Thank you for booking.
user
You are welcome, have a nice day.
assistant