You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Jonathan King, I want to cancel my reservation due to some issues.

ASSISTANT: Yes sure. Let me check.

USER: Ok.

ASSISTANT: Thank you for your patience. Sorry, there is no reservation on your name.

USER: Ok, thank you for your information.

ASSISTANT: Sorry for inconvenience, thank you for reaching us.