You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Amy Johnson.

ASSISTANT: How may I assist you for the day?

USER: As my sisters wedding was cancelled, I want to cancel my recent reservation.

ASSISTANT: OK.

USER: Can you help me with that?

ASSISTANT: Sure. OK, Your reservation is found and it has been cancelled.

USER: OK, Thank you.

ASSISTANT: Thank you, For making a cancellation of reservation with us. Have a great day.