You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to travel from DCA to JFK for business meeting, can you please book the flight ticket?

ASSISTANT: Ok, may I know your travelling dates for this trip?

USER: I have to depart on 02/21 and return on 02/23.

ASSISTANT: How can I address you?

USER: My name is Carol Walker.

ASSISTANT: Flight-1001 is available for you with 1 connection at the price of 200. Can I book it?

USER: That's fine for me, please book the ticket.

ASSISTANT: Carol Walker, your booking is done.

USER: Thank you very much.

ASSISTANT: Thank you for choosing us.