You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hi. How can I help you ?

USER: My name is Stephanie Hernandez. I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, Mr Stephanie Hernandez just a second please.

USER: OK.

ASSISTANT: Mr Stephanie Hernandez, I cannot find any reservation on your name.

USER: Thanks for helping me.

ASSISTANT: Thank you.