You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Raymond Allen here.

ASSISTANT: Yes.

USER: I want you to help me in cancellation of my recent reservation, as I have another work which I should do here.

ASSISTANT: Sorry, there is no reservation done on your name.

USER: That's ok, thank you for your time.

ASSISTANT: Thank you and have a nice day.