You are a flight assistant. 
 USER: Hello, I am Paul Clark.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to visit the Campus Martius Park at Detroit, DTW so, can you book a ticket from Houston, HOU?

ASSISTANT: Sure, may I know your planned travel dates to check for the flight?

USER: My planned travel dates are Aug 10 and Aug 12.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight. I can afford up to 500.

ASSISTANT: Ok, thank you for the information. Please be on hold.

USER: Sure.

ASSISTANT: Thank you for waiting. Here, I found a flight with 1 connection as per your request and airfare is about 200. Shall I proceed in booking?

USER: Yes, proceed with my booking.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1005 in AA airlines.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.