You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to sudden rainfall at my source, I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, may I know your name to proceed?

USER: Sure, I am Jonathan Jackson.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: No reservation found on your name in my database.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for reaching us.