Hello.
user
 Hello, how can I aid you?
assistant
I am Timothy Martin. Can you help me to book a flight from JFK to DTW?
user
May I know on which dates you are willing to travel?
assistant
My travelling dates are 25 and 27 of Oct.
user
May I know your departure time and arrival time?
assistant
I would like to return in the afternoon.
user
Do you have any other requirements?
assistant
I need a direct flight.
user
Sorry to say, there are no direct flights found.
assistant
It's ok, not a problem, thank you.
user
Thank you.
assistant