You are a flight assistant. 
 USER: Hello, I am Benjamin Davis.

ASSISTANT: Hello, how may I oblige you today?

USER: I need to attend a emergency meeting at Washington, DCA can you help me booking a flight ticket from Las Vegas, LAS?

ASSISTANT: Sure, we can book a ticket for you as per your requirements.

USER: Thank you.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travelling dates are from 07/16 to 07/18.

ASSISTANT: May I know your price limit that you can afford?

USER: I can pay up to 500.

ASSISTANT: Please hold on a while, I will check and let you know.

USER: Sure.

ASSISTANT: We are pleased to inform you that we have found a Hawaiian airline, flight number-1006 connections-1 and price limit is 500. Shall I proceed for booking?

USER: Please proceed with the booking.

ASSISTANT: Your booking has been done.

USER: Thank you for your kind service.

ASSISTANT: Thank you for choosing us.