You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I abet you?

USER: I need a connecting flight to Detroit, MI - DTW under a fare 1000. Can you book a ticket for me?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are as 11/01 and 11/03.

ASSISTANT: Please let me know your source details.

USER: Washington DC - DCA is my source airport.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is an Delta airline with flight number 1027 available on your requested dates and the amount t be paid is 200. Shall I proceed with this?

USER: Please proceed.

ASSISTANT: On what name should I book the ticket?

USER: Gary Lee.

ASSISTANT: Your booking has been done, please be there 3 hours before the flight departs.

USER: Ok sure. Thank you for the booking.

ASSISTANT: Thank you for picking us.