You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be there for you?

USER: Donald Hill here. Please help me out in booking the ticket from HOU to DTW.

ASSISTANT: Sure, on what dates are you willing to travel?

USER: My trip dates will be 12/06 to 12/08.

ASSISTANT: Do you need a lay by?

USER: Yes, I need 1 lay by with in my route.

ASSISTANT: Delta airline with flight number 1029 is going on your route and the airfare is 200. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for helping.

ASSISTANT: Thank you for reaching us.