You are a flight assistant. 
 USER: Hello. I am Richard Wilson.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my reservation due to heavy rainfall at my place.

ASSISTANT: Sure, please wait. Thank you for waiting, we found a reservation on your name. Shall I go with cancelling?

USER: Please, cancel my ticket.

ASSISTANT: Your ticket has been cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.