You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am looking to cancel my flight ticket which is recently reserved because I am unable to travel. Can you please help me in cancelling the ticket?

ASSISTANT: Sure, wait for a while please.

USER: Thank you for accepting my request.

ASSISTANT: May I know your name please?

USER: My name is Rebecca Anderson.

ASSISTANT: I am sorry no reservation found on your name. Thank you for choosing us.