You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Ronald Clark. Owing to an emergency, I want to cancel my reservation. Could you help me in cancellation?

ASSISTANT: Ok, I can help you to cancel. Please wait, I will check your reservation.

USER: Sure.

ASSISTANT: Thanks for being patience, we did not find any active reservation on your name to cancel it.

USER: Not an issue.

ASSISTANT: Thanks for contacting us, have a good day.

USER: Thank you.