You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me with cancelling my previous booking due to my bad health?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: Ok, my name is Timothy King.

ASSISTANT: There is your reservation found as per your name, shall I cancel it?

USER: Sure, please proceed with cancellation.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for assisting me with cancellation.

ASSISTANT: You are welcome.