You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Anthony Johnson, want to cancel my trip for some reasons. Can you help me?

ASSISTANT: Yes, I can help you. Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: That's fine, thank you for giving your time.

ASSISTANT: Thank you for contacting our agency.