You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Paul Hernandez.

ASSISTANT: How can I aid you?

USER: I want to cancel my reservation which was done earlier. Can you please help me?

ASSISTANT: Sure, I will help you with that.

USER: Ok, thank you.

ASSISTANT: Paul Hernandez, we didn't find any active reservation under your name in our database.

USER: No problem, thank you for checking out.

ASSISTANT: Thank you for reaching us.