You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Andrew Williams here.

ASSISTANT: Williams, how can I help you today?

USER: I want to travel from CA-LAX to IL-ORD for attending a Robotic workshop. Can you please help me for booking the flight ticket?

ASSISTANT: I am here to help you, can you please provide me your journey dates?

USER: My departure date is 03/31 and return date is 04/02.

ASSISTANT: Williams, please hold on for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, flight-1022 is available in AA airlines and the ticket fare is 100 only. Can I book the ticket for you?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Williams, your ticket is booked successfully.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us and have a great flight.