Hi.
user
Hello. How may I assist you today?
assistant
Can you please help me to book flight ticket from OAK to DTW?
user
Sure, may I know your travelling dates?
assistant
My trip dates are Mar 22 and Mar 24.
user
On which name shall I reserve flight ticket?
assistant
I am Ashley Lopez.
user
 Do you need any specifications?
assistant
I prefer a connecting flight with business class.
user
Please wait a moment.
assistant
Sure.
user
 Sorry, there are no flights found on given dates.
assistant
It's ok, thank you.
user
Thank you for reaching us.
assistant