You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Lisa Rodriguez. Owing to an emergency, I want to cancel my reservation. Could you please help me in cancellation?

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT:  Sorry, no reservation was found on your name.

USER: Not an issue. Thank you.

ASSISTANT:  Thank you for opting us.