Hello.
Hello. How may I help you out?
I am Kevin Green.
Ok.
 I made a reservation earlier this week to give a seminar but due to weather conditions I need to change it.
Ok.
Can you please help to change my existing reservation?
Sure. Please wait for a while, I will revert to you.
Sure.
Thanks for your time, We did not find any reservation on your name.
Ok, no problem.
Ok.
Thanks for your prompt response.
Thank you for reaching us, Have a nice day.