Hi.
user
Hello, how may I help you?
assistant
I am Raymond Miller. I want to change my reservation due to health problem, can you help me?
user
Sure, I am here to help you. Please hold on a moment, I will check and get back to you.
assistant
Sure.
user
Sorry, there is no reservation found on given name.
assistant
No problem, thanks for checking.
user
Thank you for reaching us.
assistant