You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, please mention your name to track your details.

USER: My name is Alexander Carter.

ASSISTANT: Ok Alexander Carter, no reservation was found based on your name.

USER: No problem, thank you for your information.

ASSISTANT: Thanks for availing us.