You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Samuel Jackson here.

ASSISTANT: How can I guide at this pleasant evening?

USER: I was made a reservation earlier in this week. But I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Ok, sure I am here to help you. Please wait I will search for your reservation and let you know your reservation status.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting and sorry for the inconvenience, no reservation found on your name to cancel.

USER: Anyway, thank you for the information.

ASSISTANT: Thank you for taking assistance through our agency.