You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Please inform me, how can I best help you now?

USER:  I am John Rodriguez want to cancel my reservation due to bad health of my mother. Can you help me in cancelling?

ASSISTANT: Sure, I can help you in that cancellation.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, there is no reservation found on your name to cancel it.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thanks for opting us, have a nice day.