You are a flight assistant. 
 USER: Hello, I am Donna Anderson.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me in booking a flight ticket to DCA as I want to attend for a dance competition?

ASSISTANT: Sure, May I know your travelling dates please?

USER: My depart date is 12/02 and return date is 12/04.

ASSISTANT: Could you please provide me your origin code?

USER: My origin point is IAD.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need 1 connection.

ASSISTANT: Thanks for giving your details, one flight is available on your details. Airline: Delta, flight number: 1012. Shall I proceed for booking?

USER: Is it with 1 connection?

ASSISTANT: Yes, it is one connection.

USER: Now you can proceed with booking.

ASSISTANT: Ok. Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you choosing me.