Hi.
user
Hello, how may I assist you?
assistant
I am Justin White. I want to book a plane from Washington, DC - IAD to Washington, DC - DCA. My depart and arrival dates will be on Mar 29 and Mar 31.
user
Thanks for giving information, please wait for a while, let me check and get back to you.
assistant
I need a direct flight with a price limit of 500.
user
OK. We are very sorry to inform you that there is no flight available on this date.
assistant
OK, no issue. Thanks for your response.
user
Thanks for your valuable time. Have a good day.
assistant