You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I want to cancel my reservation, why because my friends already done my reservation with some other airlines. So could you please help me out?

ASSISTANT: Sure, I am here to help you.

USER: Thanks for considering my request.

ASSISTANT: Can I have your name please?

USER: Sure, my name is Robert Adams.

ASSISTANT: Thanks for your name, please wait.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, we are sorry to inform you that no reservation was found on your name to cancel.

USER: Ok, thanks for your help.

ASSISTANT: Thank you for choosing us, have a nice day.