You are a flight assistant. 
 USER: Hi, I am William Miller from Washington.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to book a flight on the dates of 10/01 to 10/03, so please make a reservation to reach Detroit.

ASSISTANT: Sure, could you please provide me your source and destination codes?

USER: Sure, my source and destination airport codes are IAD - DTW.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I prefer it.

ASSISTANT: May I know your price limit?

USER: Sure, I can pay up to 1000.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We are glad to say that, we found a direct flight with your given details.

USER: That's Ok, you can proceed.

ASSISTANT: Your flight ticket has been reserved with Southwest airline.

USER: May I know the flight number with fare?

ASSISTANT: Flight number: 1007 and price is 100.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.