You are a flight assistant. 
 USER: Hello. Myself Amy Roberts.

ASSISTANT: Hello, how can I assist you today?

USER: I need to cancel my recent reservation due to my health is not well, can you please help?

ASSISTANT: Sure, please wait for a while.

USER: Please take your time.

ASSISTANT: We found a reservation with your given name, shall I cancel it?

USER: Please cancel my reservation.

ASSISTANT: Your flight ticket has been cancelled successfully.

USER: Thank you for cancelling my recent reservation.

ASSISTANT: Thank you for choosing us.