Hello.
user
Hello, how can I help you today?
assistant
I want to change my existing reservation, due to some health issues. Can you help me?
user
Sure, may I know your good name?
assistant
Ok, my name is Catherine Walker.
user
Please wait for a moment.
assistant
Sure.
user
Sorry to say that, no reservation was found with your good name.
assistant
Ok, not an problem. Thank you for your help.
user
Thank you for reaching us.
assistant