Hello.
user
Hello, how may I aid you?
assistant
I am Karen Walker. I am planning to change an existing reservation, due to health issue. Can you please change my reservation?
user
Sure, please wait a moment I will check your reservation details and proceed further.
assistant
Sure, I will wait.
user
Sorry to say, there is no reservation on your name.
assistant
That's fine.
user
Thank you for reaching us, have a nice day.
assistant
Thank you for your service.
user