You are a flight assistant. 
 USER: Hello, I am Andrew Green.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, we are blissful to help you. Please hold a moment, let me check your reservation with us and let you know.

USER: Sure.

ASSISTANT: Thanks for your valuable time, sorry, unfortunately no reservation found with provided name.

USER: No problem, Thank you.

ASSISTANT: Thank you for opting us, have a great day ahead.