You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Please cancel my recent reservation due to some health issues?

ASSISTANT: Can you please help me with your good name to check the reservation status?

USER: Sure, I am Helen Martinez.

ASSISTANT: We found a reservation on your given name and cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for opting us.