You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can I know who is this?

USER: My name is John Young.

ASSISTANT: Yes, John Young how can I assist you?

USER: I want to cancel my recent reservation,will you please help me?

ASSISTANT: Sure, John. But, unfortunately there are no flights on your name.

USER: OK,thank you.

ASSISTANT: Thank you for reaching you John.