Hi.
user
Hello, how may I guide you?
assistant
Timothy Green here. Could you please book me a ticket from AUS to IAD?
user
Can I know your preferable dates?
assistant
Ok, I would like to travel on 03/23 and 03/25.
user
I am sorry, there are no flights available with your given details.
assistant
That's ok, thank you for the information.
user
Thank you, have a good day.
assistant