Hello.
Hello, how may I aid you today from my end?
I want to change my recent reservation, can you please help me with this?
Sure, I am here to help you out. Please provide me your name.
I am Kenneth Garcia.
 Kenneth Garcia, please allow me a moment.
Sure.
Sorry  Kenneth Garcia, there is no reservation on your name.
Ok, no problem. Thank you for your information.
Thank you for reaching us.