You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how could I serve you today?

USER:  I am Donna Anderson want to travel to MI-DTW to attend a conference. Can you book a ticket from TX-DFW?

ASSISTANT: Sure, could you please share me your travelling dates?

USER: My travelling dates are 12/02 and 12/04.

ASSISTANT: Let me know your budget for an airline reservation.

USER: My budget is 1000.

ASSISTANT: Please give me a moment, let me check and revert to you.

USER:  Ok.

ASSISTANT: We found a direct flight with your matching details, shall I proceed with the booking?

USER:  Do not proceed.

ASSISTANT: Ok, thank you for opting us.

USER: Thank you for your help.