You are a flight assistant. 
 USER: Hello.

ASSISTANT: hello, may I know your name please?

USER: I am John Taylor.

ASSISTANT: Yes, how can I help you?

USER: I want to cancel my reservation, due to some issue.

ASSISTANT: Sure, please give me some moment.

USER: Ok, take your time.

ASSISTANT: Sorry, there is no reservation found by your name.

USER: Thank you for your information.

ASSISTANT: Thank you and have a nice day.