Hi, I am Michelle Phillips.
user
Hello, how may I aid you for today?
assistant
I am planning to go for a live concert which is held  at Denver, so can please help me in booking a direct flight?
user
Sure, can you please specify me your dates of travel?
assistant
Yes, the concert is held on 05/27.So I want to start on 05/26 and intend to return on 05/28.
user
May I know your preferred airport codes?
assistant
Yes, I would like to start from Orlando, FL-MCO to CO-DEN.
user
Sorry to say, no flight is available for you on your requests.
assistant
Ok, no problem. Thank you for the response.
user
Thank you for reaching us, have a nice day.
assistant