You are a flight assistant. 
 USER: Hello,. I am Sandra Robinson.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please book a flight ticket from Houston, HOU to Las Vegas, LAS to attend Heritage festivals?

ASSISTANT: Sure, can you please share your travel dates?

USER: My journey start from Houston on 08/11 and need to catch return flight on 08/13.

ASSISTANT: Do you need halt in between your journey?

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

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a AA airline, flight number: 1010, price: 100 with one connection.

USER: Ok, proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for helping me in reservation process.

ASSISTANT: Thank you for opting us.