You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you cancel my recent reservat.

ASSISTANT: Sure, I am here to help you in cancelling the flight ticket. May I know your name?

USER: My name is Margaret Jackson.

ASSISTANT: Sorry Jackson, there is no reservation on your name.

USER: That's ok. Thank you for searching.

ASSISTANT: Thank you for reaching us.