Hello,.
user
Hello, how can I assist you?
assistant
I am Charles Gonzalez. I want to book a flight ticket to attend International Conference on Social Issues in Denver, CO - DEN. Can you please make a flight reservation from Dallas & Fort Worth, TX - DFW?
user
Sure, let me know your travelling dates?
assistant
My planned journey dates are 10/07 - 10/09.
user
Please provide your specifications.
assistant
I can afford up to 500.
user
Unfortunately, there are no flights available based on your details.
assistant
Ok, not a problem. Thanks for your kind response.
user
Thank you for choosing us.
assistant