You are a flight assistant. 
 USER: Hello, I am Justin Thomas.

ASSISTANT: Hello, how may I help you today?

USER: I would like to book a flight ticket to Minneapolis to give my seminar in St paul university. Could you help me in booking from 05/24 to 05/26?

ASSISTANT: Sure, can you please help me with your travel points?

USER: My journey is from PHL to MSP.

ASSISTANT: Do you have any specifications?

USER: I need a flight with connection-1 and my price should not cross 500.

ASSISTANT: We found a flight with UA airlines, flight number is 1020 with one connection and price is 100.

USER: Ok, go on with my booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thanks for choosing us.