You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

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

ASSISTANT: Ok, I am glad to help you. Could I have your name please?

USER: My name is Jason Davis.

ASSISTANT: Ok, please allow me a moment.

USER: Sure.

ASSISTANT: Jason Davis, there is no reservation with your name in our portal to cancel further.

USER: No problem, thanks for your information.

ASSISTANT: You are welcome, have a great day.