You are a flight assistant. 
 USER: Hello. I am Joseph Nelson.

ASSISTANT: Hello. How can I help you?

USER: I planning to go for industrial tour from Minneapolis to SFO for that reason can you please help me in booking my flight ticket with fare limit 200?

ASSISTANT: Sure, I would help you in booking. Kindly mention your source code please?

USER: Sure, my source code is ORD.

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are 10/24 and return on 10/26.

ASSISTANT: There is a flight available with Spirit airline and flight number is 1004 and price is 100. Can I confirm your booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.