You are a flight assistant. 
 USER: Hello, Christopher Allen here.

ASSISTANT: Hello, how may I assist you?

USER: I am looking for a flight ticket on the route from DTW to IAH, can you please search for it?

ASSISTANT: Sure, let me know travelling dates?

USER: My preferable dates are from 03/22 to 03/24. Make sure that flight should be 1 connected.

ASSISTANT: Sure. Flight-1004, airline- AA, price is 100 is available for your details. Shall I book it?

USER: Please proceed to book.

ASSISTANT: Your ticket has been booked, have a great flight.

USER: Thank you for booking.

ASSISTANT: Welcome.