You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can aid you today?

USER: I need you to cancel my recent booking. Please help me.

ASSISTANT: Sure, I will help you with that. May I know your name for further process?

USER: My name is Brian Harris.

ASSISTANT: Ok, please hold on a moment.

USER: Sure, I will help you.

ASSISTANT: There is no previous reservation available under your name.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us.