You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Pamela Moore. I would like to attend a music concert at Las Vegas. Can you help me to book a flight ticket from OAK to LAS?

ASSISTANT: Sure, I am here to help you with booking. May I know your trip dates please?

USER: I will start on Sept, 6 and return on Sept, 8.

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

USER: Yes, I need a halt.

ASSISTANT: Do you have any specific airline preference?

USER: I am comfortable with any one.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Delta airlines is providing you a connecting flight with a fare of 400, shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed with the flight-1017 in business class. Have a safe journey.

USER: Thank you.

ASSISTANT: Welcome, thank you for reaching us.