You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I need to attend my last exam on 09/23. Can you please book me a flight ticket on 09/22?

ASSISTANT: Sure. When would you like to return on?

USER: I need to return on 09/24.

ASSISTANT: Ho much you can afford for the ticket?

USER: I can afford 1000 for my ticket.

ASSISTANT: Please let me know your airport codes.

USER: Airport codes are from EWR to MSP.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, There is an Southwest airline with flight number 1029 available for you matching your all particulars. The fare is 100.

USER: Ok, please proceed for booking.

ASSISTANT: We need your name to proceed.

USER: Carol Wilson is my name.

ASSISTANT: Your booking is done.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for choosing us.