You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Andrew Scott.

ASSISTANT: How can I assist you?

USER: I want to book a flight ticket.

ASSISTANT: Sure, could you please provide your journey details?

USER: I need to travel from Atlanta GA-ATL on Mar/07 to Washington DC-DCA on Mar/09.

ASSISTANT: Sorry to inform you there is no flights found based on your details.

USER: Thank you for your information.

ASSISTANT: Thank you.