Hello.
user
Hello, how may I help you?
assistant
I am Angela Collins.
user
Nice to meet you Angela Collins.
assistant
Actually, I want to change an existing reservation, due to some health issues. Can you help out?
user
Sure, I can help you. Just wait for a while.
assistant
Ok.
user
Sorry Collins, there is no reservation found with your name to change.
assistant
That's fine. Thank you for your help.
user
You are welcome.
assistant