Hello, Brian Harris here.
user
Hello, how may I assist you?
assistant
I want a ticket from SFO to DEN, can you do it for me please?
user
Sure, may I know your travelling dates?
assistant
Yes, 08/18 to 08/20 is journey plan.
user
Sorry for the inconvenience, there is no flight available for your request.
assistant
Ok, thank you for your information.
user
Thank you for your positive response. Have a great day.
assistant