You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Dorothy Hall. I would like to travel from DFW to IAD, could you help me out?

ASSISTANT: May I know your travelling dates?

USER: My preferable dates are from 03/23 to 03/25.

ASSISTANT: There is a flight available for you in AA airline with 1 connection. Shall I proceed with the booking?

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.