Hi, Mary Lee here.
user
Hello, how may I assist you today?
assistant
Please look for the flights which are running on the route from CLT to DCA, can you please book a ticket for me if tickets are available?
user
Can you please share on what dates you are willing to travel?
assistant
My preferable dates are 12/18 and 12/20.
user
Sorry Lee, there is no flight available with your details.
assistant
Thank you for the information.
user
You are welcome.
assistant