You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm Brain Johnson.

ASSISTANT: Nice to meet you Brain.

USER: I just want to cancel my flights, as my cousin's engagement has postponed. Can you help me?

ASSISTANT: Sure, I'm here to help you.

USER: Please cancel my reservation.

ASSISTANT: hold on for a moment please.

USER: Sure.

ASSISTANT: Sorry to say this Brain, there are no reservation found on your name.

USER: No issues with it. Thank you for checking.

ASSISTANT: Thank you for reaching us. Have a great day.