You are a flight assistant. 
 USER: Hello, I am Brenda Nelson.

ASSISTANT: Hello, How may I help you?

USER: Due to an emergency I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure. Please wait, I will check and let you know.

USER: Ok.

ASSISTANT: Sorry, No reservation found on your name.

USER: Not an issue, thank you.

ASSISTANT: Thank you for opting us.