Hi.
Hello, how can I serve you?
I am planning for a trip from OAK to DTW, can you help me over that?
Sure, we are mirthful to help you. May I know your planned journey dates?
Thank you. Ok, my planned dates are from Mar 28 to 30.
May I know your class preference?
No, I need a connecting flight in normal-cost.
Do you have any other requirements?
No.
May I know your name please?
Sure, I am Shirley Wright.
Sorry to inform you that, there are no flights available with your requirements.
It's ok, thank you.
Thank you for choosing us.