You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my reservation because I am unwell.  Can you please help me out?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please may I know your name?

USER: My name is Carol Lopez.

ASSISTANT: As per your request the reservation is cancelled on your name.

USER: Thank you very much.

ASSISTANT: Thank you for choosing us.