You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Due to bad weather at my source, I want to cancel my recent reservation. Can you please help me for cancellation?

ASSISTANT: Sure, I am here to help you out. Please provide me your name.

USER: Sure, I am Patrick Williams.

ASSISTANT: Patrick Williams, there is no reservation to cancel it.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for reaching us.