You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I provide assistance to you today?

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

ASSISTANT: Sure, we are here to help you to cancel your reservation. May I know your name?

USER: Sure, Brenda Robinson is my name.

ASSISTANT: Ok, please wait for a while to check the status of your reservation.

USER: Sure.

ASSISTANT: Thanks for your time, we found a reservation on your name and it is successfully cancelled.

USER: Ok, Thank you.

ASSISTANT: Thank you for choosing us.