Hello,.
user
Hello, how may I support you?
assistant
I am Dennis Lee. I want to change my existing reservation due to some issues, can you please help me with that?
user
Sure, let me check the current status and revert you.
assistant
Sure.
user
We could not find any reservation by the name you mentioned above.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for opting us.
assistant