Hello.
user
Hello.
assistant
I'm Jennifer Lopez.
user
Can you please tell me how can I assist you?
assistant
My business meeting has been postponed. So, I would like to change my reservation. Can you please help me with that?
user
Ok, sure I will help you with that. Can you please wait for some time.
assistant
Sure, take your time.
user
Sorry, no reservation found on your name in my  database.
assistant
Ok, no issues. Thank you for checking.
user
Most welcome.
assistant