Hello.
user
Hello, how can I help you today?
assistant
Owning to an emergency I want to change my existing reservation. Can you please help me with this?
user
Sure, I am here to help you with that, can I know your good name to proceed further?
assistant
Myself Eric Robinson.
user
 I am very sorry to inform you that there is no reservation found under your name in our database.
assistant
Ok, not an issue. Thank you for checking.
user
Thank you for reaching us.
assistant