Hi.
user
Hello, how may I help you?
assistant
Can you please change my existing reservation? Because I need to go for other place suddenly.
user
Sure, can I know your name?
assistant
Thank you, I am Carol Robinson.
user
Ok, please hold on.
assistant
Ok.
user
Sorry, no reservation found on given name.
assistant
Ok. Thank you.
user
Thank you for reaching us.
assistant