Hi. I am Anna Walker.
user
Hello. How can I  help you?
assistant
Can you help me in booking flight ticket from SEA to DTW?
user
Your travelling dates please?
assistant
My planned dates are Apr 29 and May 1.
user
Do you have any specifications?
assistant
I need a connecting flight which returns in the afternoon.
user
I am sorry no flights found on your route.
assistant
Ok, thank you for your information.
user
Thank you for choosing us.
assistant