Hello.
user
Hello, how can I assist you today?
assistant
Jeffrey Johnson here, due to sudden work I need to change my reservation.
user
Sure, may I know your good name?
assistant
Can you please change my reservation? Already, I mentioned above.
user
Please wait for a moment. Sorry to say that, no reservation was found with your good name.
assistant
Not an issue, thank you.
user
Thank you for opting us.
assistant