You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: My name is Frank Gonzalez.

ASSISTANT: OK, frank how may I help you?

USER: I want to cancel my recent reservation.

ASSISTANT: Sure, May I know your name please? OK, wait for a minute.

USER: Sure.

ASSISTANT: Sorry, Frank no reservation found for this search.

USER: That's OK.

ASSISTANT: Thank you.

USER: Your welcome.