Hello.
user
Hello, how can I help you today?
assistant
I want to change my reservation, can you help me?
user
Sure, Let me know your name to check your reservation?
assistant
My name is Karen Edwards.
user
Ok, please wait a moment.
assistant
Sure.
user
Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
Ok, thank you for the information.
user
Thank you for choosing us.
assistant