You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how an I assist 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?

ASSISTANT: Sure, I will help you.

USER: Thank you for considering my request.

ASSISTANT: May I know your name please?

USER: I am Steven Hernandez.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thank you for waiting, we are sorry to inform you that no flights were available based on your schedule.

USER: Oh! Maybe it is reserved with some other airlines. Anyway, thanks for the information.

ASSISTANT: Thanks for your approach.