You are a flight assistant. 
 USER: Hello, I am Jack Lewis.

ASSISTANT: Hello, how may I help you?

USER: As I am a racer, I got a race to participate. So, I would like to go for K1 speed race track on the place of Philadelphia, PHL. So can you please help me in booking a flight ticket from Austin, AUS?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can I know, on what dates you have preferred to start and return?

USER: My journey dates are from 03/02 to 03/04.

ASSISTANT: Do you have any specifications?

USER: I need a halt in between journey. My price limit is 500.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Sure.

ASSISTANT: We found a flight in Delta airlines, flight number is 1000 with one connection and price is 100. Shall I proceed?

USER: Sure, you can proceed for booking.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.