You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I address you?

USER: I am Jerry Wright from Washington and plan to meet my friend at Washington DC. Help me to book a ticket.

ASSISTANT: Sure, Could you please provide me your journey location and journey dates?

USER: OK, I will take flight from Austin,TX-AUS to Washington DC-IAD on 04/30 and returning on 05/02.

ASSISTANT: OK, Wait for some time I will check and let you know.

USER: Sure.

ASSISTANT: Thanks for your patience.We are glad to inform you there is a flight. Flight details are as fallows flight number is:1013 and airline name is:Southwest. One connection limit with price limit 200.

USER: OK, proceed with booking.

ASSISTANT: OK. Your flight has been booked.

USER: Thank you for helping me.

ASSISTANT: Thanks for choosing us.