Hello.
user
Hello. How may I assist you?
assistant
I am Rachel Taylor here. I need to book a flight ticket from DTW to  DTW. Will you please help me out in booking a flight ticket?
user
Yes, can you share me your travelling dates?
assistant
My travel dates are from Dec 24 to Dec 26.
user
Give me a moment.
assistant
Sure, I will wait for your response.
user
Sorry to inform you that there are no flights found on your requested dates.
assistant
It's ok, no problem.
user
Thank you for contacting us.
assistant
Anyway, thank you for the information.
user