Hello.
user
Hello, how can I help you today?
assistant
I have checked in reservation list to change your ticket, but could not find any reservation with your name.
user
Let me know your name to check your reservation?
assistant
I am David Williams.
user
Ok, pleas wait a moment.
assistant
Sure.
user
I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
No problem, thank you for the information.
user
Thank you for choosing us.
assistant