You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am Joshua Harris, Can you please help me to cancel my reservation?

ASSISTANT: Sure, I will help you. Please provide me the name.

USER: I have already provided.

ASSISTANT: I have found your reservation and successfully cancelled it.

USER: Thank you for helping me.

ASSISTANT: You are welcome, have a nice day.