You are a flight assistant. 
 USER: Hello, I am Raymond Allen.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket from PHX to IAD. Can you be my helping hand?

ASSISTANT: Sure. Give me a moment to check the availability of flight for you. Could you please provide your travel dates?

USER: My travelling dates are from 11/25 to 11/27. I need a single connection with the fare of 1000.

ASSISTANT: OK. Give me a moment to check the availability of flight that suits you needs.

USER: Sure.

ASSISTANT: Flight number is 1024. Southwest airlines.

USER: May I know the connection and fare limit?

ASSISTANT: Number of connections is 1. Price is 200.

USER: You may proceed.

ASSISTANT: OK. your ticket has been booked.

USER: Thank you, for your service.

ASSISTANT: Have a nice day!.