You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you now?

USER: I need to cancel my recent reservation. Th reservation is on the name of John Garcia.

ASSISTANT: Sure, I will help to cancel your ticket. Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting, sorry to inform you there is no any reservation found on your name.

USER: No problem and thanks for your information.

ASSISTANT: Thank you have a nice day.

USER: You too.