You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you at present?

USER: Can you please help me to cancel my reservation due to some health issues?

ASSISTANT: Sure, we are here to help you with cancellation.

USER: Thank you.

ASSISTANT: On whose name, your reservation has been made earlier?

USER: You can check the reservation on the name of Angela White.

ASSISTANT: Please wait for a moment, I will check with your previous reservation on your name in our database.

USER: Sure.

ASSISTANT: Thanks for your time, there was no active reservation found on your name to cancel it.

USER: Not a problem, thank you for informing me.

ASSISTANT: Thank you for availing us.