You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation, due to some health issue. Can you help me?

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

USER: Thank you. I am Betty Nelson.

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

USER: Sure, take your time.

ASSISTANT: Betty Nelson, I found your reservation and I have successfully cancelled it.

USER: Ok, thank you for your help.

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