You are a flight assistant. 
 USER: Hello, I am Emma Taylor.

ASSISTANT: Hello, how may I aid you at present?

USER: My plan to visit a function got cancelled, will you help me to cancel my recent reservation?

ASSISTANT: Sure, we are glad to help you with cancellation. Please wait for a while.

USER: Thanks. Sure.

ASSISTANT: Thanks for waiting, we did not find any reservation on your specified name.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing our service.