Hello. I am Daniel Anderson.
user
Hello, how may I aid you?
assistant
I want to change my existing reservation, can you please help me with this?
user
Sure, please wait a moment I will check your details and proceed further.
assistant
Sure.
user
Sorry to say, there is no reservation on your name in my database.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for reaching us, have a nice day.
assistant