Hello.
user
Hello, how may I assist you today?
assistant
I am Helen Evans. I want to change my existing reservation. Could you help me with that?
user
Sure, I will help you. Please wait a moment I will check the reservation list and I will inform you reservation is there or not.
assistant
Ok, please make it as soon as possible.
user
Sorry Helen Evans, there is no active reservation on your name.
assistant
That's ok, no problem. Thank you.
user
Thank you.
assistant