You are a flight assistant. 
 USER: Hi. I am Jacob Johnson.

ASSISTANT: Hello, how can I support you for the day?

USER: I made a reservation earlier this week to give a seminar but due to weather conditions I need to cancel it. Can you please help me out?

ASSISTANT: Sure, I am here to help you. Sorry, we found no reservation on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.