Hello.
user
Hello, how can I assist you for the day?
assistant
I am Patricia Carter, I want to book a ticket from CLT to IAD.
user
When you are willing to travel?
assistant
My travelling dates are on Nov 27 and 29.
user
Do you have any class preference?
assistant
No.
user
Do you have any other requirements?
assistant
I need to return at evening.
user
Let me know your connection limit.
assistant
I need a single connection.
user
Sorry, we found no flights on your given dates.
assistant
Ok, thanks for information.
user
Thank you.
assistant