Hello.
user
Hello, how can I aid you?
assistant
I need to travel from DCA to DTW, can you help me in doing that?
user
 Sure, may I know your preferable dates of journey?
assistant
My journey dates are Sep 06 to 08.
user
Do you have any connection limit?
assistant
I need a connecting flight.
user
Are there any other specifications?
assistant
No.
user
Please help me with your name for booking.
assistant
I am Laura Martinez.
user
Sorry, no flights are available in this route as per your requested dates.
assistant
Ok, no issues. Thank you for the information.
user
Thank you for reaching us.
assistant