You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,. How can I oblige you today?

USER: I need a ticket to San Francisco, CA-SFO from Chicago, IL-ORD, for holiday vacation. I am Robert Jackson.

ASSISTANT: Sure. Help me with your dates of travel.

USER: Journey dates are from 06/20 to 06/22.

ASSISTANT: Do you have any other specifications?

USER: Ticket price limit is 1000. Connections limit is 1.

ASSISTANT: Thanks for sharing your details. There is a connecting flight with the fare of 200. Your plane number 1009 of Southwest airline. Shall I proceed ?

USER: Please proceed to book a ticket.

ASSISTANT: Reservation of your ticket has been done.

USER: Thanks.

ASSISTANT: Thank you for reaching us.