You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Stephanie Lee. I want you to make my flight reservation from DTW to IAD, can you please help me?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, I will depart on 10/04 and I have to return back on 10/06.

ASSISTANT: May I know your connection limit?

USER: I prefer for a single connection flight.

ASSISTANT: May I know your depart time?

USER: I want to depart in the evening.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: We found a Delta airline, flight number: 1003, depart time: 1:00AM, price:200 with one connection.

USER: Yes, please book the ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you very much for your help.

ASSISTANT: Thank you for choosing us.