You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you?

USER: I am Justin Walker, I want to book a flight ticket to attend a science fair at Austin with a connecting flight.

ASSISTANT: Sure. Please share your travelling dates.

USER: My travelling dates are from 02/05 to 02/07.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from DC- DCA to TX- AUS.

ASSISTANT: Do you have any price limit?

USER: I need the ticket within price 200.

ASSISTANT: Thanks for the details. We found a connecting flight with number 1028. The fare is 100. Can I proceed for booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been reserved with UA airline.

USER: Thank you for the help.

ASSISTANT: Thanks for choosing us.