Hello.
user
Hello. How can I assist you?
assistant
Can you please change my reservation due to some personal work at Office?
user
Ok, may I know your good name for changing?
assistant
Sure, my name is Jacob Lopez.
user
 Ok, please wait I will revert you in a moment.
assistant
Sure.
user
Sorry to inform you that no reservation was found on your name.
assistant
No problem, thanks for your support.
user
Thank you for availing us.
assistant