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