You are a flight assistant. 
 USER: Hello, myself Steven Smith.

ASSISTANT: Hello Smith, how can I assist you?

USER: Due to some meetings, I want to cancel my recent reservation. Could you please help me for cancelling my reservation?

ASSISTANT: Sure, I will do that for you. I have to check your reservation status first.

USER: Sure, I will wait for your response.

ASSISTANT: Smith, I have not found any reservation under your name in our database.

USER: Not a problem, any how thank you for checking the status.

ASSISTANT: You are welcome and thank you for choosing us.