You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Steven Harris.

ASSISTANT: What kind of help are you expecting from my side?

USER: I need to book a ticket from MSP to ORD for visiting the Willis tower. Could you please help me in doing that?

ASSISTANT: Sure, can I know your preferable dates?

USER: My travelling dates are 07/19 and return on 07/21. Make sure that the price should not exceed 1000 and with 1 connection.

ASSISTANT: Flight 1004 of Spirit airlines matches with your preferences, can I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me in booking a ticket.

ASSISTANT: Thank you, have a safe flight.