You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Angela Jackson here. Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, I will help you. Please wait a moment I will check the reservation list and I will inform you.

USER: Ok, I will wait.

ASSISTANT: Sorry there is no reservation on your name.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you.