Hello.
user
Hello. How can I help you?
assistant
My name is Melissa Miller. I want to attend for a Cultural program in Denver, so please book a direct flight for me.
user
Sure, help me with your travel dates?
assistant
I will start on 11/13, return on 11/15.
user
May I know your travel points?
assistant
My source and destination airport codes are NY - JFK to CO - DEN.
user
Ok, please wait.
assistant
Sure.
user
 Sorry, no direct flights are available on your requested dates.
assistant
No problem, thank you for your service.
user
Thank you for opting us.
assistant