You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Timothy Lewis. I am planning to start a school at my home city Austin TX-AUS, help me in booking my flight ticket from DC-DCA.

ASSISTANT: Sure, I will help you. Please share me your trip dates?

USER: My trip dates will be 04/14 to 04/16.

ASSISTANT: Do you have any other specifications?

USER: I have a price limit of 200.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thanks for waiting. There is a connecting flight with price of 100 and 1019 flight number. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Your booking has been confirmed with Spirit airline.

USER: Thank you for your help.

ASSISTANT: Thanks for your approach.