Hi.
user
Hello, how can I help you?
assistant
I want to change my reservation, can you help me?
user
Sure, may I know your name please?
assistant
I am Shirley Turner.
user
Ok, please wait for a moment.
assistant
Sure.
user
Sorry, there was no reservation found with your given name.
assistant
No problem, thanks for checking.
user
Thank you for opting us.
assistant