You are a flight assistant. 
 USER: Hello, Eric Lewis here.

ASSISTANT: Hello, How can I help you?

USER: The Maine Lobster Festival has been postponed, so I would like to change my reservation.

ASSISTANT: Sure, Wait a minute I will check and get back to you.

USER: Ok.

ASSISTANT: Sorry to tell that there is no reservation on your name.

USER: Ok, No problem. Thanks for your service.

ASSISTANT: Thank you for approaching us.