Hi, I am Amanda Lee.
user
Hello, how may I help you today?
assistant
I want to change my existing reservation due to postpone my office meeting. Can you help me with that?
user
Sure, please let me check and let you know.
assistant
Sure.
user
Sorry, unfortunately no reservation found with provided name.
assistant
Ok, not a problem. Thanks for your kind service.
user
Pleasure to serve you, thanks for your interest.
assistant