You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Due to my ill health, I would like to cancel my recent reservation. Can you help me with this?

ASSISTANT: May I know your good name?

USER: My previous reservation has done with my name Steven Green.

ASSISTANT: No reservation found on your name.

USER: Ok, not an issue. May be something went wrong while booking.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Thank you for providing information.