You are a flight assistant. 
 USER: Hello, Barbara Moore here.

ASSISTANT: Hello, how may I help you?

USER: Please book me a plane ticket from IAD to IAD.

ASSISTANT: Sure, may I know your planned journey dates please?

USER: My planned journey dates are from 10/27 to 10/29.

ASSISTANT: Please give me a minute.

USER: I need only 1 connected flight. Ok, take your time.

ASSISTANT: I found a flight with Southwest airlines available with price 100. Shall I book the ticket?

USER: Yes, please confirm my ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1010.

USER: Thank you.

ASSISTANT: Thank you for choosing us.