You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking my flight from DTW to reach DCA?

ASSISTANT: Sure, may I know your trip dates?

USER: Thank you, my planned travel dates are Aug 1st and 3rd.

ASSISTANT: Do you prefer a connecting flight?

USER: I prefer a flight which has maximum a  single connection.

ASSISTANT: May I know your other specifications?

USER: I don't have any more requirements.

ASSISTANT: There is a flight of southwest airline, flight number 1019 with the fare of 100. Can I proceed?

USER: Please, reserve on the name of David Scott.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.