Hello,.
user
Hello, how can I help you today?
assistant
I am Charles Young. My graduation day in the college was postponed. I would like to change my existing reservation. Could you please help me?
user
Sure, please wait for a moment.
assistant
Ok.
user
Thanks for waiting. Sorry, there is no reservation found with your name.
assistant
No issues, Thank you for the information.
user
Thank you for choosing us.
assistant