You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, I am happy to help you. May I know your good name?

USER: Michael Hall here.

ASSISTANT: We found a reservation on your name and it has been cancelled successfully.

USER: Thank you, You have done a good job.

ASSISTANT: Thank you for contacting us.