Hello.
Hello, how may I assist you today?
I am Kenneth Thompson. I am planning to book a ticket from LAS to DTW. Can you please help me out?
Sure, I am here to help you. Can  you please mention the dates of your journey?
I would like to travel on May 19 and return back on May 21.
Do you have any other preferences?
Yes, my return time should be evening.
Please wait for a while.
Sure.
Sorry, there were no flights found with your requirements.
That's fine, thank you for your service.
Thank you for reaching us.