You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, I can help you with that. May I know your good name please?

USER: Thank you, Rebecca Harris.

ASSISTANT: Ok, please allow me a minute to check your reservation status.

USER: Ok.

ASSISTANT: Rebecca Harris, there is no active reservation found under your name to do cancellation.

USER: That's Fine. Thank you.

ASSISTANT: Thank you for choosing us, have a nice day.