Hello.
user
Hello, how can I aid you?
assistant
I am Donald Gonzalez. I am planning to attend a sports live event in Oakland, so please help me in booking a flight from Detroit.
user
Could you help me with your travel dates?
assistant
I want to fly on 03/13 and return on 03/15.
user
 May I know your travel points?
assistant
My airport codes are CA - OAK, MI - DTW.
user
Do you have any preference?
assistant
Yes, I need a halt in between my journey.
user
Ok, please wait I will revert you.
assistant
Sure.
user
 Sorry, no flights are available on your travel dates.
assistant
Not an issue. Thank you for your service.
user
Thank you for availing us.
assistant