You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Help me in booking a flight from DTW to ORD?

ASSISTANT: Ok. Please let me know your travelling dates.

USER: My travelling dates are Jan 28 to 30.

ASSISTANT: Is there any connecting preference?

USER: I need direct flight in normal-cost airlines.

ASSISTANT: Sure. Do you have any preferences?

USER: No.

ASSISTANT: May I know your name?

USER: I am Ashley Roberts.

ASSISTANT: Direct flight is found with Delta airlines for price 200. Shall I book a ticket?

USER: Proceed.

ASSISTANT: Your ticket is booked in an economy class having flight number 1005 which departs at 17:00 hours and arrives at 18:00 hours.

USER: Thank you.

ASSISTANT: Thanks.