You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your name?

USER: I am Donna Martinez.

ASSISTANT: May I know why you contacted our chat service today?

USER: I want to make a round trip with my friends for refreshment of minds. I want a flight with 1 connection, can you book a flight ticket?

ASSISTANT: Sure, please share me your journey dates?

USER: My preferable dates are from 06/30 to 07/02. My airport code is DCA.

ASSISTANT: Thanks for details, please wait for a moment.

USER: Ok. Make sure that price limit should not exceed 200.

ASSISTANT: Thanks for waiting, Airline spirit with flight number is 1009 is available for you. Shall I book the flight ticket?

USER: Yes, proceed booking.

ASSISTANT: Ok.

USER: Thank you, you made my job ease.

ASSISTANT: Your ticket has been booked. Thank you for choosing us.