You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you aid me to book a flight ticket from ATL to LAS?

ASSISTANT: Can I know  your travelling dates?

USER: My trip dates are Aug 18 and Aug 20 respectively.

ASSISTANT: Do you have specifications?

USER: I want a connecting flight and normal cost airlines to travel.

ASSISTANT: Can I know your name?

USER: Justin Evans here.

ASSISTANT: Found ticket with American airlines for price 100 having flight number 1004.

USER: Please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.