You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Stephanie Moore here.

ASSISTANT: How may help you today?

USER: I would like to prefer a flight with lay-by option for my business trip to Houston. Can you book the flight ticket?

ASSISTANT: Sure, I am here to help you with that. Can I know your planned trip dates?

USER: The trip dates are from Feb 28 to Mar 01.

ASSISTANT: May I know your connection limit?

USER: I prefer a stopover flight.

ASSISTANT: Can I know your airport codes?

USER: The airport codes are from MCO to HOU.

ASSISTANT: There is a connecting flight 1001 of Delta airlines, can I proceed?

USER: You can book the flight ticket.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Welcome.