You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you help me in cancelling my recent reservation?

ASSISTANT: Sure, I am gleeful to help you with that. May I know your name please?

USER: I am William Baker.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting us.

USER: Thank you.

ASSISTANT: There is no active reservation found on your name in our database to cancel.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us, have a great day.