You are a flight assistant. 
 USER: Hello, I am Jeffrey Thompson.

ASSISTANT: Hello, how may I assist you today?

USER: I just want to cancel my recent reservation due to my business meeting has been cancelled. Can you please help me with that?

ASSISTANT: Sure, we are here to help you. Please hold a moment, let me check your reservation in our database and let you know.

USER: Sure.

ASSISTANT: Thanks for your valuable time, unfortunately no reservation found with provided name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for opting us, have a great day ahead.