You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald Turner.

ASSISTANT:  How can I help you?

USER: Due to weather problems I need to cancel my recent reservation. Can you please help me with that?

ASSISTANT: Sure, please wait I will let you know. Sorry, no reservation found on your name.

USER: Sure. Ok, no problem. Thanks for your information.

ASSISTANT: Thank You for reaching us.