You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My name is Christine White, I want to cancel my recent reservation due to heavy rainfall.

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

USER: Sure.

ASSISTANT: Thank you for your valuable time, sorry no reservation found with your name.

USER: No problem, thank you for your service.

ASSISTANT: Thank you for approaching us.