You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Gregory Hill. I planning to visit Washington to attend a business meeting, can you please help me to book a flight ticket from IAD to DCA?

ASSISTANT: Sure, we are rapturous to help you. May I know on which dates you are willing to travel?

USER: Sure, my itinerary dates are 03/26 and 03/28.

ASSISTANT: We are pleased to inform you that we have found a UA airline, flight number-1013 connections-1 and price limit is 100.

USER: That's perfectly fine for me to travel, please reserve 1 ticket.

ASSISTANT: Your booking is done.

USER: Thank you for your quick service.

ASSISTANT: Your most welcome, have a nice day.