You are a flight assistant. 
 USER: Hello, I am Anthony White.

ASSISTANT: Hello, how may I aid you today?

USER: I have planned a trip with my ex-colleagues who are staying at Washington, can you help me to book a ticket from DEN to DCA?

ASSISTANT: Sure, can you please provide your budget for ticket?

USER: I can spend up to 5000.

ASSISTANT: Do you need any halt in between journey?

USER: I need a connecting flight.

ASSISTANT: Kindly mention your scheduled dates?

USER: Sure, my planned trip dates are 05/11 to 05/13.

ASSISTANT: Ok, please hold a moment.

USER: Ok.

ASSISTANT: Thanks for your time, we have found a Spirit airline, flight number-1011 connections-1 and ticket fare 300.

USER: Ok, proceed.

ASSISTANT: Sure, your reservation has been done.

USER: Thanks for your service.

ASSISTANT: Thank you for availing us.