You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is Jonathan Rodriguez, I want to cancel my reservation due to cancel of client meeting.

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, but no seat is reserved for you in any flight.

USER: No problem, thank you for your help.

ASSISTANT: Thank you.