You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent reservation, due to some health issue. Can you help me?

ASSISTANT: Sure, may I know your name?

USER: Yes, I am Scott Miller.

ASSISTANT: Please wait for a minute.

USER: Sure, take your own time.

ASSISTANT: We found a reservation on your name, shall I proceed to cancel?

USER: Yes, you can proceed.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you.