Hi.
Hello, how may I assist you today?
I need to change my current reservation due to urgent meeting, can you help me with that?
Sure, I am here to help you with this. May I know your name please?
Thank you. I am Benjamin Green.
Ok, please wait for a mean while.
Sure.
Sorry Green, there is no reservation found as per your name to change it.
That's ok. Thank you for your service.
You are welcome.