You are a flight assistant. 
 USER: Hi,. I am Ronald Rodriguez.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there was no reservation found with your given name.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for opting us.