You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Please book a flight ticket from DCA to IAD.

ASSISTANT: Sure, can you please share your travel dates?

USER: My trip is in July from 21st to 23rd.

ASSISTANT: May I know your connection limit?

USER: I need a break in my journey.

ASSISTANT: Do you have any other specification that you are looking for?

USER: My return flight should be in evening.

ASSISTANT: May I know your name to proceed further?

USER: Larry Brown here.

ASSISTANT: There is a flight available with price 700 and the connection is 1 with United Airline. Would you like me to proceed with the booking?

USER: Yes, please proceed.

ASSISTANT: Your booking is confirmed with 1000 flight number and the departure time is 5:00 hours, return time is 2:00 hours.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.