You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ryan Carter.

ASSISTANT: How may I assist you Carter?

USER: I have planned for a trip with friend's in Washington.Can you please help me to book a flight ticket?

ASSISTANT: Sure, can I know your travelling dates?

USER: I planned to travel on 10/14 and 10/16.

ASSISTANT: Ok, can you please tell me your source and destination?

USER: Please make sure that the connection limit is 1.

ASSISTANT: Ok.

USER: My airport codes are DTW and DCA.

ASSISTANT: Ok. Give me a moment.

USER: Sure.

ASSISTANT: I have found a flight for you with a price of 100. Can I proceed with the booking?

USER: Ok, please confirm my ticket.

ASSISTANT: Ok. Your ticket has been booked. The flight number is 1023 of Delta airlines.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us. Have a safe flight.