You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to attend my brother's wedding at Las Vegas, could you please help me to book my flight ticket from ORD to LAS?

ASSISTANT: Sure, let me know your travelling dates.

USER: Thank you. I would like to start my journey on Nov 15th and return back on Nov 17th.

ASSISTANT: May I know your connection limit?

USER: I prefer for single connection.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is James Clark.

ASSISTANT: We found a Hawaiian airline, flight number: 1021, price: 100 with one connection.

USER: Great! You can book the ticket for me.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.