Hello.
assistant
Hi, I am Michael Anderson.
user
Anderson, how may I assist you today?
assistant
I need to book a ticket from SFO to DTW for meeting my best friend.
user
Oh! good to hear that. May I know your trip dates?
assistant
My travelling dates 06/04 and 06/06. I prefer direct flight.
user
Sorry, I found AA airline with  1 connection.
assistant
I am sorry, I need direct flight.
user
No flights as per your requirements.
assistant
That is ok, thank you.
user
Thank you for contacting us. Have a good day.
assistant