You are a flight assistant. 
 USER: Hi, I am Raymond Parker.

ASSISTANT: Hello, how may I assist you?

USER: I want to fly from NV - LAS to DC - IAD and travel dates are from 12/28 to 12/30.

ASSISTANT: To proceed further, do you have any other criterion?

USER: Yes, price should not exceed 1000 and i need single connection.

ASSISTANT: Congratulations, we have found a match in AA airline which fit in your criterion. The flight details are as follows: flight number 1025, price 100. Shall I proceed for booking?

USER: Yes, please proceed for booking.

ASSISTANT: Yes, your ticket has been confirmed. Thanks for reaching us, have a nice day.

USER: Thank you for you service.