You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I'm Jacob Lopez. I had planned to meet my friend, but it was cancelled.Can you cancel my recent reservation?

ASSISTANT: Give me a moment, let me check your details.

USER: Ok.

ASSISTANT: Sorry, I didn't found any reservation basis on your details.

USER: That's Ok. Anyways, thank you for your help.

ASSISTANT: You are welcome.