Hello.
user
Hello, how may I assist you?
assistant
I want to change my existing reservation. Can you please help me in that?
user
Sure, may I know your good name please?
assistant
Myself Catherine White.
user
Please wait for a moment.
assistant
Sure.
user
Sorry, there is no reservation found on your name in our database to change.
assistant
Ok, no problem. Thank you.
user
Thank you for reaching us.
assistant