You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Please help me to cancel my recent reservation.

ASSISTANT: Sure, please share me your name.

USER: I am Justin Brown.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is no active reservation on your name.

USER: Thank you for your information.

ASSISTANT: Thank you so much.