You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. By what way can I serve you?

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 in cancelling my reservation?

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT: Ok, May I know your name?

USER: Sure, I am Larry Brown.

ASSISTANT: Please wait, let me check your reservation status.

USER: Sure.

ASSISTANT: Thanks for your time, no active reservation found on your name to cancel it.

USER: Oh! may be booking not done properly. Thanks for the information.

ASSISTANT: Thanks for making us to serve you.