You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

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

USER: I am Kathleen Gonzalez.

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

USER: Sure.

ASSISTANT: Kathleen Gonzalez, I found your reservation and I have successfully cancelled it.

USER: Thanks for the help.

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