Hello.
user
Hello, how can I help you today?
assistant
Will you help me in booking the flight ticket from DTW to SEA?
user
Sure, I am here to help you in booking. Can you please share your travel dates?
assistant
My preferable journey dates are Jan 20 and Jan  22.
user
Ok, please mention your name.
assistant
Myself John Anderson.
user
Do you have any specification?
assistant
I need a flight with single connection.
user
Sorry, no flights are available on your preferable travel dates.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for reaching us, have a nice day.
assistant