Hello.
user
Hello, how may I help you?
assistant
Can you help me to change my reservation?
user
Ok, may I know your name?
assistant
I am Mark Nelson.
user
Ok, please. Please wait a moment.
assistant
Sure.
user
Thanks for waiting, I have gone through the reservation list twice but could not find any reservation active under your name.
assistant
No problem, thank you for checking.
user
Welcome Mark Nelson.
assistant