You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Patricia Evans. Due to bad weather, I need to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure, I will help you. Please wait a moment, I will check the reservation list and get back to you.

USER: Ok.

ASSISTANT: Sorry Patricia Evans, there is no reservation on your name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you.