You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Samuel Anderson here.

ASSISTANT: How can I assist you today?

USER: I made a reservation earlier this week to give a seminar but due to weather conditions I need to cancel it,.

ASSISTANT: Sure, I will help you with that. Please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

USER: That's ok. Thank you for checking.

ASSISTANT: Welcome, have a great day.