Hello.
user
Hello, how may I help you today?
assistant
I want to change my existing reservation. Could you help me with that?
user
Sure, I am here to help you.
assistant
Thank you.
user
May I know your name?
assistant
Shirley Wright here.
user
Sorry, there is no reservation found under your name.
assistant
That's ok, no problem. Thank you.
user
Thank you for choosing us.
assistant