Hello. Myself Helen Nelson.
user
Hello, how may I aid you?
assistant
Will you help me in booking the flight ticket from DEN to AUS?
user
Sure, may I know your planned travel dates please?
assistant
My preferable journey dates are 09/17 and 09/19.
user
Please wait for a moment.
assistant
Sure, I will wait for your response.
user
Sorry for the inconvenience, there is no flight available on your requested dates.
assistant
Ok, not an issue.
user
Thank you for reaching us.
assistant
Thank you for your information.
user