Hi.
user
Hello, how may I help you?
assistant
Actually, I want to change my existing reservation because of my interview date has been changed.
user
Ok. Let me check your details. May I know your name?
assistant
Sure, my name is Donald Jackson here.
user
No reservation found on your details.
assistant
No problem.
user
Sorry for inconvenience.
assistant
Thank you for your information.
user
Welcome.
assistant