Hello.
user
Hello, how may I guide you?
assistant
I am Ronald Thompson, can you find direct flight for me from DTW?
user
Can I know your preferable dates?
assistant
My trip dates are from 09/03 to 09/05.
user
Can I know your destination airport?
assistant
My destination airport code is OAK.
user
I am sorry, there are no flights.
assistant
It's ok. Anyway, thank you for your help.
user
Thank you.
assistant