You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Patrick Wright.

ASSISTANT: Wright, how can I aid you?

USER: I would like to cancel my reservation as the event which I am planning to attend was cancelled. Please help me.

ASSISTANT: Sure, I will help you. Let me check your reservation status.

USER: Ok.

ASSISTANT: I found your reservation, shall I cancel it?

USER: Yes, please cancel the reservation.

ASSISTANT: Your reservation is cancelled successfully.

USER: Thank you for your service.

ASSISTANT: You are most welcome and thank you for contacting us.