You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Jennifer White here. I want to travel from AUS to DEN for attending a meeting. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can you help me with your journey dates to search the flight?

USER: My departure date is 12/29 and return date is 12/31. Make sure my price limit is 500.

ASSISTANT: There is a flight-1004 of AA airlines, shall I proceed?

USER: If the connections limit is 1, then proceed for booking the ticket.

ASSISTANT: Ok, your booking is done.

USER: Thank you for helping me.

ASSISTANT: Welcome.