Hello.
user
Hello. How may I guide you today?
assistant
I am Michael Collins. I have a plan to meet my friend in ORD, can you please find a flight from DEN?
user
I am happy to help you with that, can you please mention your journey dates?
assistant
My travelling dates are 01/15 and 01/17.
user
Please wait for a while, I  will get back with your flight details.
assistant
Sure, take your time.
user
I am sorry to say that there is no flight found under your details.
assistant
That's ok, thank you for checking.
user
Thank you for contacting us, have a great day.
assistant