Hi.
Hello, how can I help you today?
\Due to sudden change of my business meeting because of some technical problem, I need to change my reservation so can you help me with that?
Let me know your name to check your reservation?
I am Rachel Hernandez.
I have checked in reservation list to change your ticket, but could not find any reservation with your name.
OK, no problem. Thanks for the information.
Thank you for choosing us.