You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you for the day?

USER: Owing an emergence, I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Ok, that's sad. Let me check with with your previous booking. May I know your name please.

USER: My name is Virginia Harris.

ASSISTANT: No reservation was found by the name of Virginia Harris.

USER: Ok, no issues.

ASSISTANT: Sorry for the inconvenience.

USER: Thank you.

ASSISTANT: Have a nice day.