You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Samuel Miller.

ASSISTANT: How can I assist you?

USER: Would it be possible to cancel my reservation?

ASSISTANT: Sure Miller, please wait a moment.

USER: Sure, take your time.

ASSISTANT: I found your reservation and I have cancelled your reservation.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for approaching us.