Hello,. I am Lisa Roberts.
user
Hello, how can I help you today?
assistant
I want to change my existing reservation due to some issues, can you please help me with that?
user
Sure, please wait for a moment.
assistant
Sure.
user
Sorry to say that, no reservation was found with your good name.
assistant
Ok, not an issue. Thank you for your service.
user
Thank you for reaching us.
assistant