Hello.
user
Hello, how can I assist you today?
assistant
I want to change my existing reservation, can you please help me with this?
user
Sure, I will help you with that. Let me know your name to check your reservation?
assistant
I am Debra Nelson.
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, no problem. Thank you for your time.
user
Thank you for choosing us.
assistant