You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Brian Davis. I want to cancel my reservation, could you help me in the cancellation?

ASSISTANT: Sure, We are here to help you. Give me a minute.

USER: Sure.

ASSISTANT: Thanks for your time. We didn't found any reservation by this name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for consulting us.