You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Daniel Harris 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 with that.

USER: Thanks for that.

ASSISTANT: Wait for the a minute.

USER: Ok, I will wait.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.