You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Daniel Williams.

ASSISTANT: How may I aid you today?

USER: I want to cancel my recent reservation, can you please help me in cancelling?

ASSISTANT: Sure, we are here to help you. Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no active reservation found on your given name.

USER: That's ok, thank you.

ASSISTANT: Thanks for reaching us, have a nice day.