You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How you doing?

USER: My Name Angela Thompson, I going for a short vacation. Help me to find a flight under price of 100.

ASSISTANT: Ok. Could you please provide source and destination?

USER: Sure, my origin airport code is CO-DEN and destination airport code is TX-DFW. Make sure flight should have one connection.

ASSISTANT: Could you please provide your travelling dates?

USER: I need a flight on 04/09 and returning on 04/11.

ASSISTANT: OK. Wait for a while to check the availability based on your requirements.

USER: Ok.

ASSISTANT: Much obliged for your patience. I have found a flight that matches your requirements. Flight number is 1027, UA airlines.

USER: Ok, you can book the flight ticket.

ASSISTANT: OK. Your ticket has been booked!.

USER: Thank you for helping me.

ASSISTANT: Have a safe journey.