You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help 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, may I know your name?

USER: Ok, my name is Gregory Lewis.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: We found a reservation, it has been cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.