You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: My friend had another plan to visit other country. So, now I would like to cancel my current reservation.

ASSISTANT: That's nice. Do you want me to change the reservation?

USER: I would like to cancel my reservation.

ASSISTANT: Ok, I will help you with that. Please be hold on for a moment. May I know your good name for verification?

USER: My name is Ronald King.

ASSISTANT: Sorry, there is no reservation has found under your name.

USER: That's ok. Thank you for your information.

ASSISTANT: Thank you for choosing us. Have a good day.