Hello.
Hello. How may I help you?
Owning to an emergency I want to change my existing reservation. Can you please help me with this?
Sure, I am here to help you with that, can I know your good name to proceed further?
I am Karen Green.
 I am very sorry to inform you that there is no reservation found under your name in our database.
Ok, not an issue. Thank you for checking.
Thank you for choosing us.