You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Brenda Baker. Owing to an emergency, I want to cancel my recent reservation.

ASSISTANT: Ok. Please wait a moment, I will check your reservation status and get back to you.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name to cancel.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.