You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, I am here to help you with that. Can you please tell me your name?

USER: My name is Dennis Wilson.

ASSISTANT: Here, I found your reservation and it is successfully cancelled.

USER: Thank you.

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