Hello. I am Debra Wilson.
user
Hello, How can I assist you today?
assistant
I want to change my existing reservation. Could you help me with that?
user
Sure, I will help you with that. Please wait a while.
assistant
Ok.
user
I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
That's ok, no problem. Thank you.
user
Thank you for reaching us.
assistant