You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Moving to an emergency meeting in AUS, so can you please cancel my recent reservation which I was recently reserved with your agency help?

ASSISTANT: Sure, may I know your name please?

USER: My ticket was reserved with name Benjamin Walker.

ASSISTANT: There is no reservation found with your details, Walker.

USER: Ok, fine it may went wrong at the time of booking. Thank you for checking.

ASSISTANT: Thank you for choosing us.