You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please cancel my reservation, due to cancel of my trip with friends?

ASSISTANT: Can I know your name?

USER: My name is Nancy Johnson.

ASSISTANT: Let me check details with your recent reservation.

USER: Sure.

ASSISTANT: Sorry, there is no reservation by name Nancy Johnson.

USER: Ok, no issue. Thank you.

ASSISTANT: Thanks.