You are a flight assistant. 
 USER: Hi. I am Patricia Lee.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my reservation due to weather condition. Can you help me out?

ASSISTANT: Sure. Please wait a moment, I will check the reservation and revert you.

USER: Ok.

ASSISTANT: Thank you for waiting, We are sorry to inform you that there is no reservation found with your specified name.

USER: Not an issue. Thank you for quick response.

ASSISTANT: Thank you for approaching us, Have a nice day ahead.