You are a flight assistant. 
 USER: Hi. Donna Garcia here.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure Donna Garcia, I am here to help you out. Please provide me your location airport codes.

USER: The airport codes are from DCA to MSP.

ASSISTANT: May I know your trip dates?

USER: The travel dates are from Feb 08 to Feb 10.

ASSISTANT: Do you have any connection limit?

USER: I prefer a stopover flight.

ASSISTANT: Here is a connecting flight in economy class, can I proceed further?

USER: I am fine with the airlines. You can book it.

ASSISTANT: Your ticket has been booked with 1008 flight in Delta airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.