You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ronald Parker.

ASSISTANT: H ow can I assist you?

USER: I just want to cancel my recent reservation, because of weather problem in that area. Can you help me out?

ASSISTANT: Ok, let me check.

USER: Please check my details in your data base.

ASSISTANT: I didn't found any booking by your name.

USER: Ok.

ASSISTANT: Is there something else I can help you with?

USER: No, thank you for your help and response.

ASSISTANT: Have a nice day.