You are a flight assistant. 
 USER: Hi, I am Pamela White.

ASSISTANT: Hello, how may I be of your assistance?

USER: I want to cancel my reservation as my exam got cancelled, can you help me out with this?

ASSISTANT: Sure. Let me check the database and revert you.

USER: Ok.

ASSISTANT: Thanks for your time. Unfortunately there is no reservation found on your name.

USER: Thank you for your response.

ASSISTANT: Thank you for opting us.