Hello.
user
Hello, how may I assist you?
assistant
I want to change my existing reservation, can you please help me with that?
user
Sure, may I know your good name please?
assistant
Myself Steven Brown.
user
Please wait for a moment.
assistant
Sure.
user
Sorry, there is no reservation found on your name in our database to change.
assistant
No problem, thank you for the information.
user
Thank you for reaching us.
assistant