You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I need to cancel my reservation as my meeting got postponed, can you please help me in cancellation?

ASSISTANT: Sure, we are here to help you. Please help me with your name to check your details.

USER: I am Samuel Anderson.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Unfortunately there is no flight available on your name. No reservation exist on your name to cancel further. Thank you for reaching us.

USER: Thank you.