You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, I am here to help you in cancelling the ticket.

USER: Thanks.

ASSISTANT: Ok, please give me a minute.

USER: Ok, I will wait.

ASSISTANT: Sorry to intimate you, there is no active reservation found with your name to cancel.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.