Hello.
user
Hello, how can I aid you?
assistant
I am planning to change an existing reservation, due to health issue. Can you please help me out?
user
Sure, can you please let me know your name?
assistant
My name is Laura Evans.
user
Sorry, there is no active reservation found under your name to change.
assistant
That's fine, thank you for your service.
user
Thank you for reaching us.
assistant