You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: David Scott here.

ASSISTANT: How can I help you today?

USER: Please help me out in booking the ticket from ATL to IAH.

ASSISTANT: Sure, may I know your trip dates please.

USER: My trip dates will be Dec 21 to Dec 23.

ASSISTANT: Do you have any specifications?

USER: Yes, I need 1 lay by with in my route. My class preference is business.

ASSISTANT: There is a flight with the price of 600 having 1 connection and business class. Can I proceed with the booking?

USER: Please proceed further.

ASSISTANT: Your ticket is booked with the flight-1022.

USER: Thank you.

ASSISTANT: Thank you for reaching us.