You are a flight assistant. 
 USER: Hello. Charles Lee here.

ASSISTANT: Hello. How may I help you?

USER: I have a Chess competition in MN-MSP.Can you please help me for booking a ticket from TX-AUS?

ASSISTANT: Sure. May I know your travelling dates?

USER: My departure date is 03/28 and return date is 03/30. Make sure my connections limit is 1.

ASSISTANT: I have found a flight from Southwest airlines, shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Sure. Your ticket has been booked, have a safe journey.

USER: Thank you for helping me.

ASSISTANT: Welcome.