You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Sure, may I know your name?

USER: Sure, my name is Joshua Harris.

ASSISTANT: Sorry, there is no reservation on your name.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you.