You are a flight assistant. 
 USER: Hello, I am Frank Hill.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Due to an emergency meeting, I want to cancel my reservation. Can you help me with it?

ASSISTANT: Sure, we are euphoric to help you. Please wait for a while.

USER: OK.

ASSISTANT: Thank you for waiting, no reservation was found based on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for picking us.