Hi, I am Catherine Wilson.
user
Hello, how can I assist you?
assistant
As my appointment with my family doctor got postponed, I need to change my existing reservation. Can you help me with that?
user
Sure, I will help you. Please wait a moment.
assistant
Sure.
user
Sorry there is no reservation found on your name.
assistant
Ok, thank you for your response.
user
Thank you, have a nice day.
assistant