You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure, I am here to help you out. May I know your name please?

USER: Sure, I am Richard Smith.

ASSISTANT: Richard Smith, we haven't found any reservation under your name in our database.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for choosing us.