Hi.
user
Hello, how can I help you today?
assistant
Could you help me to amend my existing reservation?
user
Let me know your name to check your reservation?
assistant
My name is Stephanie Harris.
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
Not a problem, thank you for the information.
user
Thank you for choosing us.
assistant