Hi.
user
Hello, In what way can I assist you now?
assistant
Could you please book a flight ticket from DTW to SEA?
user
Sure, can I know your good name please?
assistant
I am Kathleen Nelson.
user
 When you are willing to travel?
assistant
My trip dates are May 18 and May 20.
user
Do you need direct flight or connecting flight?
assistant
I need a connecting flight.
user
Do you have any more specifications?
assistant
I want to depart in the afternoon.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
No problem, thank you.
user
Thank you for choosing us.
assistant