Hi.
user
Hello, how may I assist you today?
assistant
I want to change my reservation, can you help me?
user
Sure, may I know your name please?
assistant
Myself Joseph Lee.
user
Ok, please wait for a mean while.
assistant
Sure.
user
Sorry Lee, there is no reservation found as per your name to change your reservation.
assistant
No problem, thanks for checking.
user
You are welcome.
assistant