You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER:  I am Andrew Perez want to gift my daughter a Villa at MI-DTW. Can you book  a ticket from TX-DFW?

ASSISTANT: Sure, I will help you with booking. Please share me your planned travelling dates?

USER: My planned dates are 09/21 and 09/23.

ASSISTANT: Do you need any halt in between the journey?

USER:  I need a connecting flight.

ASSISTANT: Please also provide me your budget for flight ticket?

USER:  My budget is 5000.

ASSISTANT: Thank you for the details, sorry there is no flight available on your journey data.

USER:  Ok, thank you for your help.

ASSISTANT: Thank you for visiting us, have a nice day ahead.