Hello.
user
Hello. May I know your good name Please?
assistant
This is Nancy Brown, and I want to change my existing reservation. Can you please help me?
user
Sure Nancy, could you please wait for a minute.
assistant
OK.
user
Sorry for this inconvenience, I cannot find any reservation with your name.
assistant
Thank you, for your kind information.
user
It was my pleasure. Have a nice day!.
assistant