Hello.
user
Hello, how can I assist you now?
assistant
Due to health issue, I want to change my existing reservation. Can you help me out?
user
Sure, may I know your name please?
assistant
Sure, my name is Anna Robinson.
user
Sorry Robinson, there is no reservation found on your name.
assistant
That's fine, thank you.
user
Thank you for approaching us, have a nice day.
assistant