You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I am William carter.

ASSISTANT: Ok.

USER: I want to attend flower festival at Detroit, DTW. Can you help me in booking from Houston, HOU?

ASSISTANT:  Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I need a halt in my journey.

ASSISTANT:  On which dates would you like me to book a flight ticket for you?

USER: My travelling dates are from 08/17 to 08/19.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your precious time. We found Spirit airline fare of 200. Shall I proceed for booking with single stopover flight?

USER: Ok. Proceed with booking.

ASSISTANT:  Your ticket has been confirmed with airline number 1004.

USER: Thank you.

ASSISTANT: Thank you for choosing us.