You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I am Ronald Martin. Due to some sudden changes in weather, I want to cancel my reservation. Can you please cancel my reservation?

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting. We found a reservation by your name.

USER: Ok.

ASSISTANT: May I proceed for cancellation?

USER: You can.

ASSISTANT: Your reservation has been cancelled.

USER: Ok, thank you.

ASSISTANT: Thank you for being with us.