Hello.
user
Hello, how may I help you?
assistant
As my leave got extended, I want to change my existing reservation. Can you help me out?
user
Ok, may I know your name please to change your reservation?
assistant
Sure, my name is Katherine Hernandez.
user
OK Katherine, please wait for a moment.
assistant
Sure.
user
Sorry Katherine, there is no reservation found as per your name to change your reservation.
assistant
That's ok, thank you.
user
You are welcome.
assistant