You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me to book a flight ticket from DCA to DTW?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are Sept 18 to Sept 20.

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

USER: David Wright.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection of flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found JetBlue airline with price 100 and economy class and airline number is 1003 with arrival time is 7:00 hours and departure time is 4:00 hours, Shall I proceed for booking?

USER: Ok, please proceed to book.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.