You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Debra Barker. I want to cancel my reservation, can you help in that?

ASSISTANT: Sure, please give me a minute.

USER: Sure.

ASSISTANT: Barker, there is no reservation on your name.

USER: That's ok, might be my brother has cancelled my reservation.

ASSISTANT: Ok.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.