You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Due to an emergency, I can't travel to San Jose. Can you please cancel my reservation?

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: My name is Patrick Hill.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Hill, there is no reservation found as per your name to cancel any reservation.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for reaching us.