You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Donna Jones here.

ASSISTANT: How may I help you?

USER: I want to travel from DFW to ORD for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, let me know your preferable dates?

USER: My travelling dates are from 02/09 to 02/11. Make sure my connections limit is 1.

ASSISTANT: I found a flight with AA airlines with 1 connections. Shall I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is booked and flight number is 1004.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.