Hello.
Hello. How can I aid you?
Me and my friends planned a trip, but due to heavy rains in my destination place our trip got postponed. Can you please change my existing reservation?
Ok, may I know your good name?
Sure, I am Christopher Phillips.
 Please wait I will revert you in a moment.
Ok.
 Sorry to inform you that no reservation was found on your name.
Ok, Thank you for providing information.
Thank you for opting us.