You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: Robert Walker here.

ASSISTANT: How may I help you?

USER: I am planning to Cobo Center (conference & convention center) at Detroit, DTW. So please help me in booking a flight ticket from Chicago, ORD?

ASSISTANT: Please provide your journey dates in order to book a ticket.

USER: My journey dates are from 08/27 to 08/29.

ASSISTANT: Ticket can be booked with flight connections 1 for price 100. Airline is AA having flight number 1017.

USER: Ok, you can proceed.

ASSISTANT: Ticket is booked.

USER: Thanks for your help.

ASSISTANT: Thanks.