Hello.
user
Hello. How can I aid you today?
assistant
I am looking to book a flight ticket from DTW to LAX. Can you help me for that?
user
Sure, I am here to help you. May I know your travel dates please?
assistant
My travelling dates are Nov 17 and Nov 19.
user
Ok, do you have any specifications?
assistant
I prefer to book a direct flight  in my journey.
user
May I know your name please?
assistant
My name is Carolyn Harris.
user
Sorry Carolyn Harris, there are no flights available on your requested dates.
assistant
That's ok, thank you for checking.
user
Welcome, thank you for choosing us. Have a great day.
assistant