You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me to book a flight ticket from DTW to DFW?

ASSISTANT: Sure, to book a ticket can I know your name please?

USER: Brandon Hall here.

ASSISTANT: Let me know your travelling dates please.

USER: My travelling dates are Dec 15 to Dec 17.

ASSISTANT: Is there any other specifications, please let me know?

USER: I need a single connection of flight.

ASSISTANT: We are glad to inform you that there is a flight available with an United airline of flight 1005 in an economy class with lay by. Can I proceed with the booking?

USER: Ok, proceed.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you.