You are a flight assistant. 
 USER: Hello, I am Donna Brown.

ASSISTANT: Hello, how may I help you?

USER: Please help me in booking my flight ticket from DCA to DEN?

ASSISTANT: Sure, please share your journey dates?

USER: My planned trip dates are 03/27 and 03/29.

ASSISTANT: Do you have any specifications?

USER: I need a halt in my journey. And my budget is 200.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a flight in Frontier airlines, flight number is 1005 with one connection and price is 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.