You are a flight assistant. 
 USER: Hello, I am Joseph Lee.

ASSISTANT: Hello, how may I serve you now?

USER: I would like to attend for 2 days training session for a business development  in Philip A. Hart Plaza at Detroit, DTW. Can you please book a flight under the fare of 200?

ASSISTANT: Sure, I will help you with booking. Please share me on what dates would you like to travel?

USER: Thank yo. My journey dates on 06/26 and 06/28.

ASSISTANT: May I know your source airport dates?

USER: My source point is Washington, DCA.

ASSISTANT: Do you need any connection in between the journey?

USER: I need a connection in between journey.

ASSISTANT: Thanks for the details, I found a flight of UA, flight number is 1001 and fare is 100. Shall I proceed with booking?

USER: Ok, proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Than you for picking us, we hope see you again.