You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, I am here to help you. Please wait a second I will check the update and get back to you.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no reservation found under your name.

USER: No problem, Thanks for the information.

ASSISTANT: May I know your name?

USER: Matthew Johnson here.

ASSISTANT: Thank you for opting us.