You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kimberly Phillips here.

ASSISTANT: How may I aid you today?

USER: I was made a reservation earlier in this week. But due to some personal reasons I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, I am oblige to help you.

USER: Ok.

ASSISTANT: Please wait a moment to check your previous reservation.

USER: Ok, I will wait.

ASSISTANT: Sorry to inform you that, there is no reservation found with your name in our records.

USER: Anyway, thank you for the information.

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