You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: As my business meeting get cancelled, can you help me to cancel my recent reservation?

ASSISTANT: OK, please wait for sometime, I will check the your recent reservation details.

USER: Sure.

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

USER: OK, thank you.

ASSISTANT: Thank you.