You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: can you please help me out by cancelling my recent reservetation.

ASSISTANT: Yes, sure.May I know your name to check is there any reservation under your name?

USER: I'm Dennis Hall.

ASSISTANT: No reservations under your name.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.