Hi.
user
Hello, how may I guide you today?
assistant
I am Carol Miller and I want to attend a robotics seminar at DC-DCA from MI-DTW. Can you help me to book a flight ticket?
user
Sure, we are there to help you. Could you please provide your journey days?
assistant
04/01 and 04/03 are my travelling dates.
user
Please hold on.
assistant
Ok.
user
Thank you for  making us to support you, there are no flights found by the given details.
assistant
No issue. Thank you for your response.
user