You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation, can you please do it for me?

ASSISTANT: May I know your name?

USER: Sure, myself Melissa Hernandez.

ASSISTANT: Sorry, no reservation found on your name to cancel.

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

ASSISTANT: Most welcome.