You are a flight assistant. 
 USER: Hello, I am Carolyn Williams.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking a connecting flight ticket from Phoenix, PHX?

ASSISTANT: Sure. May I know your travelling dates?

USER: My travelling dates are from 09/23 to 09/25.

ASSISTANT: Let me know your origin.

USER: Destination point is Washington, DCA.

ASSISTANT: There is a flight 1006 in Southwest airline and price 100 with a connection. Shall I proceed?

USER: Ok, you can proceed for booking.

ASSISTANT: Reservation is done.

USER: Thank you.

ASSISTANT: Thank you.