You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am William Thompson, cancelled by live concert program, because the program dates are not scheduled. Please cancel my flight ticket.

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

USER: Ok.

ASSISTANT: Thanks for waiting, we didn't found any reservation by this name.

USER: Ok, Thank you for searching the status.

ASSISTANT: Thanks for contacting us, have a nice day.