You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Please book a flight ticket from DCA to DTW?

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

USER: My journey dates are May 17 and May 19.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: I am Ryan Roberts.

ASSISTANT: We found Delta airline with economy class and flight number is 1011 with arrival time is 7:00 hours and depart time is 16:00 hours.Shall I proceed for booking?

USER: Go ahead.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: You are welcome.