You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Janet Hall.

ASSISTANT: How can I help you Janet Hall?

USER: I want to cancel my reservation as I am unwell. Please help me in cancelling my reservation.

ASSISTANT: Sure, I will help you with that cancellation.

USER: Thank you.

ASSISTANT: Please hold for a moment.

USER: Sure.

ASSISTANT: Sorry to say, there is no reservation found with your name in our reservation list.

USER: Not an issue, thank you for checking.

ASSISTANT: Thank you for approaching us, have a great day.