Hello.
user
Hello. How may I assist you today?
assistant
I want to change my existing reservation. Could you help me with that?
user
Sure, may I know your name?
assistant
George Lee.
user
Please wait a moment.
assistant
Sure.
user
Sorry, there are no active reservation on your name to change.
assistant
That's ok, thank you.
user
Thank you for reaching our service.
assistant