You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may  be at your service?

USER: I am Ashley Edwards. Due to some sudden changes in weather, I need to cancel my reservation. Can you please help me?

ASSISTANT: Sure, please give me a moment, I will check and revert you.

USER: Sure.

ASSISTANT: thanks for waiting. Unfortunately, we could not find any reservation by your name in our data base.

USER: No problem. Thank you.

ASSISTANT: Thank you for approaching us.