You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Helen Martin.

ASSISTANT: What type of service you are expecting from us?

USER: I would like to enjoy my weekend trip with my friends. Can you please book a ticket within the price of 1000?

ASSISTANT: Sure, I am happy to help you in flight ticket booking. May I know your travelling dates?

USER: My travelling dates are 08/01 and 08/03.

ASSISTANT: Please wait for a while, so that I will search a best flight for you. Could you provide me your airport codes?

USER: I want to fly from PHX to IAD.

ASSISTANT: Ok, wait for a minute.

USER: Sure, I will wait for your response.

ASSISTANT: The Southwest airlines are providing a flight having a connection limit 1. Can I proceed with the booking?

USER: Please proceed.

ASSISTANT: I have reserved your ticket with the flight number 1016.

USER: Thank you for booking.

ASSISTANT: Thank you for consulting us.