Hello. Myself Alexander Green.
user
Hello Green, how may I aid you today?
assistant
Will you help me in booking the flight ticket from DEN to ORD?
user
Sure, may I know your dates of journey please?
assistant
My preferable journey dates are 10/07 and 10/09.
user
Please wait for a moment to check for the availability.
assistant
Ok, I will wait for your response.
user
Sorry Green, there is no flight found as per your travelling details.
assistant
Ok, not an issue. Thank you for your information.
user
You are welcome always.
assistant