You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

USER: I would like to cancel my reservation as I have to prepare for my exam, can you please do that for me?

ASSISTANT: Sure, I will help you with that. Can I have your name please to check your reservation status?

USER: My name is Ryan Miller.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry Ryan, no reservation has found under your name to cancel.

USER: Not an issue, thank you for checking.

ASSISTANT: Thank you for choosing us, have a good day.