Hi.
user
Hello, how can I help you?
assistant
Could you please book a flight ticket from IAH to IAD?
user
Sure, I am happy to help you. Can you please let me know your travelling dates?
assistant
My travelling dates are Aug 23 and Aug 25.
user
Do you have any other specifications?
assistant
I need a connecting flight. And I prefer a business class.
user
May I know your good name?
assistant
I am Charles Gonzalez.
user
Sorry, no flights are available on your journey routes.
assistant
Not a problem, thank you for the information.
user