Hello.
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 Laura Clark.
Ok, please wait a moment.
Sure. No problem, thank you for the information.
Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
Thank you for your kind service.
Thank you for reaching us.