You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: I want to cancel my recent reservation due to heavy rain fall. Can you please help me with this?

ASSISTANT: Sure, I will help you, please provide me your name.

USER: My name is David Thompson.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation on your name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you.