You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Elizabeth Brown here.

ASSISTANT: Brown, how can I assist you?

USER: I have a seminar in Chicago.Can you please help me for booking a ticket?

ASSISTANT: Sure, I can help you in booking your ticket. Please provide your journey details.

USER: My airport codes are from NV-LAS to IL-ORD. My departure date is 06/03 and return date is 06/05. Make sure my connections limit is 1.

ASSISTANT: Let me check for the available flight's flying on this route.

USER: Ok.

ASSISTANT: Flight number 1024 of Southwest airlines is matching with your requirements.

USER: Ok, please proceed for booking.

ASSISTANT: Sure. Brown, your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us.