You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planing to visit Washington, will you help me in booking the flight ticket from DTW to DCA?

ASSISTANT: Sure, can I know your travelling dates?

USER: My preferable journey dates are May 18 an May 20.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Myself Kathleen Davis.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: We found AA airline with price 100 and economy class and airline number is 1007 with arrival time is 4:00 hours and departure time is 2:00 hours, Shall I proceed for booking?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.