You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Eric Robinson here. Please help me out in booking the ticket from DTW to OAK.

ASSISTANT: Sure, I will help you. Can I have your planned travel dates please?

USER: My trip dates will be Feb 13 to Feb 15.

ASSISTANT: Do you need a connecting flight?

USER: I want a direct flight.

ASSISTANT: Do you have any other specifications?

USER: I will prefer normal cost airline.

ASSISTANT: Please hold on a moment.

USER: Ok.

ASSISTANT: I found an economy class in American Airlines with fare 200 and it is a direct flight, can I book your ticket?

USER: Please proceed.

ASSISTANT: Ok, your booking is confirmed with flight number 1000.

USER: Thank you.

ASSISTANT: Thank you for approaching us.