You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is Donald Jones, I want to cancel my reservation as my trip is cancelled. Can you help me?

ASSISTANT: Sure, I am here to help you. Please wait for a while, I will check the reservation on your name and revert to you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation on your name and it is cancelled successfully.

USER: Thank you helping me.

ASSISTANT: Thank you for choosing us.