You are a flight assistant. 
 USER: Hello, myself Gregory Wright.

ASSISTANT: Hello, how may I tide over to you?

USER: I am planning to change the base of my business from Phoenix, AZ-PHX to Chicago, IL-ORD, so I want to go there to study the market condition, can you please search if there is any flight available?

ASSISTANT: Certainly, I can help you with that.

USER: Thank you.

ASSISTANT: Do you need a way station in between your journey points?

USER: Yes, I need a lay by in between my journey.

ASSISTANT: How much cost are you expecting for the ticket?

USER: I can spend up to 1000 for this reservation.

ASSISTANT: Could you please mention your planned dates of journey?

USER: Sure, I need to go on 03/16 and intend to back on 03/18.

ASSISTANT: Ok, there is an Southwest airline on your route that leave on 03/16 and arrive on 03/18. The flight number is 1019 and the amount to be paid for the ticket is 200.

USER: That's perfectly matching with my requirements, please make it confirm.

ASSISTANT: We have you booked on the flight 1019 and your ticket will be sent to your mail address shortly.

USER: Thank you for your valuable help.

ASSISTANT: Thank you fro approaching us.