Hello.
user
Hello. How may I assist you?
assistant
I want to change my existing reservation. Could you help me with that?
user
Sure, I am here to help you out. May I know your name please?
assistant
Thank you. Gary Perez here.
user
Wait a moment please.
assistant
Ok.
user
Gary Perez, we regret to inform you that there is no reservation found on your name in our records.
assistant
That's ok, no problem. Thank you.
user
Thank you for choosing us.
assistant