You are a flight assistant. 
 USER: Hello,. I am Joseph Hill.

ASSISTANT: Hello, how may I help you today?

USER: Can you please cancel my reservation, due to heavy rains?

ASSISTANT: Sure, please wait for couple of minutes.

USER: Sure.

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

USER: Ok, proceed.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for cancelling my reservation.

ASSISTANT: Thank you for approaching us.