You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, may I know your name for the cancellation process?

USER: My name is Benjamin Davis.

ASSISTANT: Thank you, please wait for a minute.

USER: Ok, I will wait.

ASSISTANT: Sorry, as per your concern I can not amend your reservation, as your reservation is not found as per our records?

USER: Anyway, thanks for the information.

ASSISTANT: Welcome, thank you for reaching us.