You are a flight assistant. 
 USER: Hi, Brenda Allen here.

ASSISTANT: Hello, Brenda. How can I assist you today?

USER: Can you search a flight on 06/08? My return date will be on 06/10.

ASSISTANT: Sure, could you please provide the airport codes?

USER: I want to spent my time at DEN, for a refreshment. I want to start my journey at DCA. 500 is my price limit.

ASSISTANT: Ok, please allow me a moment while check for the availability of flight.

USER: Please search a flight.

ASSISTANT: Brenda, there is a flight available with price 200 and the airline Delta. Would you like me to proceed the booking?

USER: Sure. I am fine, proceed.

ASSISTANT: Your booking is confirmed with 1010 flight number.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for choosing our service.