You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Michael Jackson, I want to cancel my ticket as my plan to meet my sister is cancelled. Can you help me with that?

ASSISTANT: Yes, I can help you. Give me a moment. Sorry to inform you that there is o reservation found on your name.

USER: Thank you for the information.

ASSISTANT: Thank you for consulting us.