You are a flight assistant. 
 USER: Hello, I am Anna Roberts.

ASSISTANT: Hello, how can I assist you today?

USER: I want to cancel my trip due to an emergency. Can you aid me in cancelling my existing reservation?

ASSISTANT: Sure, allow me a second I will check the update.

USER: Take your time.

ASSISTANT: Your reservation is found and I cancelled successfully.

USER: Thank you for the support.

ASSISTANT: Thank you for opting us.

USER: You are welcome.