Hello.
user
Hello, how may I help you?
assistant
I'm Nancy Martin, I want to travel from DCA o SEA. Can you book my ticket?
user
Sure, may I know your travelling dates?
assistant
My travelling dates are from 12/22 to 12/24.
user
Sorry, there is no flight found as per your request.
assistant
It's ok, thank you.
user
You are welcome.
assistant