Hello.
user
Hello, how may I help you?
assistant
Can you help me in booking a flight ticket from DCA to BOS?
user
Sure, may I know your trip dates please?
assistant
I want to travel on 04/29, and return on 05/01.
user
Do you have any other requirements?
assistant
I need a direct flight.
user
Can I know your name please?
assistant
I am Deborah Smith.
user
Sorry, we regret to inform you that there is no flight available as per your request.
assistant
Ok, no issues. Thanks for the information.
user
Most welcome.
assistant