Hi.
user
Hello. What can I do for you?
assistant
I would like to change my existing reservation which I have done last night. So, can you help with it?
user
Sure, I will help you. Please wait a moment. May I know your name for checking your reservation?
assistant
My name is Janet Davis.
user
No reservation found on your name Janet Davis. You want to know anything else from us?
assistant
No, I don't want any thing right now. Thank you for the information.
user