You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you today?

USER: Can you help me in doing a reservation from DEN to DCA?

ASSISTANT: Sure, Can you please share your depart and arrival dates?

USER: My trip dates are Sep 16 to 18.

ASSISTANT: Is there any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Can I have your good name please?

USER: Patricia Brown here.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Ok, please wait for a while. We found a flight in 1000 Delta Airline with a fare of 100. Can I proceed for booking?

USER: Ok, proceed.

ASSISTANT: Sure, your booking has been done.

USER: Thank you.

ASSISTANT: Thank you for choosing us.