You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need to cancel my existing reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, please share me your good name.

USER: Thank you for considering my request.

ASSISTANT: Please wait for a while.

USER: Please check the reservation on the name of Dorothy King.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: Not a big problem. Thank you for the information.

ASSISTANT: Thank you for opting us.