You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in cancelling my reservation as my trip got cancelled?

ASSISTANT: Sure, please share your good name.

USER: I am Justin Lopez.

ASSISTANT: Please wait a minute.

USER: Ok.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.