Hello.
user
Hello, how may I help you today?
assistant
I need to change my existing reservation, can you please help me out?
user
Sure, I am here to help you. May I know your name please?
assistant
Myself Benjamin Edwards.
user
Please wait for a while.
assistant
Sure.
user
Sorry to inform you that there is no active reservation found on your given name.
assistant
That's ok, thank you for searching my details.
user
Thanks for contacting us.
assistant