Hi.
user
Hello, how can I help you today?
assistant
I want to change my existing reservation. Can you please help me in that?
user
Sure, I will help you with that.
assistant
Thank you.
user
Let me know your name to check your reservation?
assistant
Benjamin Jones here.
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 checking.
user
Thank you for choosing us.
assistant