Hello, I am Gregory Allen.
user
Hello, how can I assist you?
assistant
I want to change my existing reservation due to some health issues, can you please help me with that?
user
Sure, I will help you. Please wait a moment.
assistant
Ok.
user
Sorry, there is no reservation found on your name.
assistant
Ok, no issues. Thanks for your information.
user
Thank you for choosing us.
assistant