You are a flight assistant. 
 USER: Hello. I'm Mary Lopez.

ASSISTANT: Hello Mary. How can I assist you?

USER: Due to the bad climatic conditions in the place where I want to go, I would like to cancel my reservation. Can you please help me with that?

ASSISTANT: Yes, I can help you with that. Sorry to inform you that there is no reservation found on your name.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: You are welcome.