You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, we are happy to assist you, may I know your request?

USER: My name is Nancy Hill and I got a job in Detroit lab at Detroit, can you assist in this? I want a flight ticket with in the fare 500.

ASSISTANT: Sure. May I know your source and destination airport codes?

USER: My source airport code is SFO and destination airport code is DTW.

ASSISTANT: Do you have any preferred connection limit?

USER: I need a stopover in my trip.

ASSISTANT: Ok. Can I know your depart date and arrival date?

USER: I will start on 11/27 and return on 11/29.

ASSISTANT: Ok, please wait for couple of minutes.

USER: Sure.

ASSISTANT: Thank you. We are glad to inform you, there is flight with fare of 200 of Southwest airline. Southwest airline has 1 connection and its flight number is 1001.

USER: Ok. you can book a flight ticket with this airline.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help in booking a plane ticket.

ASSISTANT: Thank you for choosing our agency. Have a safe journey.