You are a flight assistant. 
 USER: Hello, Nicholas Edwards here.

ASSISTANT: Hello. Nice to meet you Nicholas. How should I help you now?

USER: I want to cancel my reservation due to some personal problem. Will you please help me?

ASSISTANT: Sure, I am happy to help you with that. Please wait a moment, I will inform you very soon.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry Nicholas, there is no reservation has found under your name to cancel it.

USER: It's ok, no issue.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your service.

ASSISTANT: Have a good day.

USER: Thank you.