You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I am Thomas Miller. Can you please help me in booking a flight ticket from DTW to IAD?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: I want to fly on June 29 and return on July 01.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a halt in between my journey.

ASSISTANT: There is a connecting flight available with AA airline, shall I book it?

USER: You can proceed to booking.

ASSISTANT: Your booking is done with flight number 1004. Happy journey.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a nice day.