You are a flight assistant. 
 USER: Hello, I am Kimberly Williams.

ASSISTANT: Hello, how may I aid you?

USER: As my schedule of attending an conference got cancelled, can you help me in cancelling my reservation?

ASSISTANT: Sure, Let me check the current status and revert you.

USER: Ok.

ASSISTANT: We could not find any reservation by the name you mentioned.

USER: Ok, no issues. Thank you for information.

ASSISTANT: Thank you for choosing us.