You are a flight assistant. 
 USER: Hi. I am Richard Johnson.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a flight ticket from ORD to LAS, Can you please help me for booking?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Let me know your depart and return dates?

USER: I would like to travel on 11/10 to 11/12.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: How much can you spend in booking your flight ticket?

USER: I can pay up to 5000.

ASSISTANT: Thank you for your details, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight 1001 in Spirit airline with price of 100. Shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your information.

ASSISTANT: Thank you for contacting us, have a safe journey.