Hello.
Hello, how can I aid you?
I need to meet my friend at Denver, CO-DEN can you help me booking a flight ticket from Chicago, IL-ORD?
Sure, we are happy to help you. Could you provide me your travel dates?
Thank you. I will start on 03/01 and return on 03/03.
 Ok, please wait I will revert you.
Sure.
 Sorry to inform you that no flights are available on your travel dates.
No problem, thank you for the information.
 May I know your good name for documentation?
I am Samuel Anderson.
 Thank you for opting us.