Hello.
user
Hello, how can I help you today?
assistant
Can you please help me to change my existing reservation?
user
Let me know your name to check your reservation?
assistant
Myself Jeffery Campbell.
user
I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
Ok, not an issue. Thank you for checking.
user
Thank you for choosing us.
assistant