You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: Can you please help me? I need to cancel my previous reservation because of my back pain.

ASSISTANT: Sure, I am happy to help you. Can I have your good name to proceed further?

USER: My name is Stephen Evans.

ASSISTANT: Sorry, we did not find any active reservation on your name in our records.

USER: Oh! That's fine. Anyways, thank you for checking.

ASSISTANT: Thank you for opting us.

USER: Most welcome.