You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Gregory King.

ASSISTANT: How may I serve you today?

USER: I need to cancel my reservation due to bad weather condition. Can you help me cancellation?

ASSISTANT: Sure, please hold on a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation was found on your name.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for availing us.