Hello. I am Katharine Hall here.
Hello, how may I serve you at this moment?
 I need to book my ticket from DEN to DTW. Can you please help me with booking a flight ticket ?
Sure, I will help you. Please send your travelling dates.
My planned travel dates are from Apr 26 to Apr 28.
Do you have any class or time preferences?
Yes, my return time should be in the evening.
Do you have any connection or airline preferences?
I need a connecting flight in my journey.
Sorry, there is no flight available with your given requirements on your requested dates.
Not a problem, thank you for the information.
You are welcome, have a nice day.