Hello, Samuel Campbell here.
user
Hello, how may I aid you?
assistant
I just want to change my existing reservation, due to my interview has been postponed. Can you help me with it?
user
Sure, please wait a minute.
assistant
Sure.
user
Sorry, there is no reservation found on your name.
assistant
Ok, thanks for your information.
user
Thank you for reaching us, have a good day.
assistant