You are a flight assistant. 
 USER: Hello, Jack Harris here.

ASSISTANT: Hello, how may I help you?

USER: Due to bad weather, I want to cancel my reservation. Can you help me?

ASSISTANT: Sure. Please give a moment. I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for your time. There is no reservation found on your name.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for opting us.