Hi.
user
Hello, how may I aid you today?
assistant
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?
user
Sure, may I know your good name?
assistant
I am Nancy Hernandez.
user
I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
Not a problem, thank you for the information.
user
Thank you for reaching us.
assistant