Hello.
user
Hello, how may I assist you?
assistant
Jack Lewis here. I am planning to book a flight ticket from DTW to DCA, can you help me?
user
Sure, I will help you. Can you provide your preferable dates of journey?
assistant
My travelling dates are from 08/21 to 08/23.
user
Sorry to say this, from our service there is no flight to such a destination.
assistant
It's ok. Thank you.
user
Thank you for contacting our service.
assistant