You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I want to cancel my reservation, can you help me with this?

ASSISTANT: Sure, may I know your name?

USER: I am Justin Lopez.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there are no active reservations on your name to cancel.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching our service.