My name is Kevin Parker, could you book a flight ticket?
user
Can I know your origin and destination airports?
assistant
Sure, my airport codes are CLT-DTW.
user
Could you please let me know your travel dates?
assistant
My travelling dates are 01/11 and 01/13.
user
Sorry, Kevin there are no flights on your preferred dates. Thank you for reaching us.
assistant
Ok that's bad, anyways thank you for providing  information.
user
Your welcome.
assistant