Hello.
user
Hello, how can I help you?
assistant
I would like to book a flight to attend conference in Denver, CO - DEN on 08/18.
user
Ok, Can you let me know your source point and return date please? And Please provide your name.
assistant
Sure, my source is Chicago, IL - ORD and return date is on 08/20. My name is Steven Carter.
user
Ok, wait a moment.
assistant
Sure.
user
Thanks for waiting. Unfortunately, We do not found any flight with respect to your information.
assistant
OK, no problem.
user
Thanks for choosing us.
assistant
Thanks for your response.
user