You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I am Angela White. My hosting of concert was cancelled due to some issues. Could you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I am here to help you. Please wait for a moment.

USER: OK,.

ASSISTANT: Thank you for your patience, No reservation is found on your specified name.

USER: OK, Thank you for the information.

ASSISTANT: Thank you for choosing us.