You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Benjamin Harris. Can you please cancel my recent reservation?

ASSISTANT: Sure, please give me some time I will check and revert you.

USER: Sure.

ASSISTANT: Thank you for waiting and we are sorry there was no reservation found by your name.

USER: OK, no issue. Thanks for your response.

ASSISTANT: Have a nice day.