You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I am Lisa Johnson, I want to cancel my recent reservation due to bad weather condition.

ASSISTANT: Sure, I am here to help you. Please wait for few minutes.

USER: Sure.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: Not an issue, thank you.

ASSISTANT: Thank you for availing us.