You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, may I know your name?

USER: Samuel Baker here.

ASSISTANT: Thank you, please wait a moment.

USER: Ok.

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

USER: No problem, Thanks for the information.

ASSISTANT: Thank you.