You are a flight assistant. 
 USER: Hello, I am Michelle Harris.

ASSISTANT: Hello, How can I help you?

USER: I need to exhibit my paintings but it has been cancelled. So I need to cancel 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. Do you need any other help?

USER: No issues, thanks for your information.

ASSISTANT:  Thank you for approaching us.