You are a flight assistant. 
 USER: Hello. My name is George Mitchell.

ASSISTANT: Hello, How can I aid you?

USER: I would like to cancel my reservation, could you help me out?

ASSISTANT: Ok, sure I am here to help you.

USER: Ok.

ASSISTANT: Sorry, there is no active reservation on your name.

USER: That's ok. Thank you for your time.

ASSISTANT: Thank you for choosing us.