You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, can I know your name?

USER: I am Ronald Smith.

ASSISTANT: OK, please hold on a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on given name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.