You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I planned to attend for a meeting in EWR, can you please help me to book a flight ticket from LAS?

ASSISTANT: Sure, may I know your depart and return dates?

USER: I prefer to travel on Sep 13 and Sep 15.

ASSISTANT: Is there any class preference?

USER: No. I prefer to travel in 1 connecting flight with normal cost.

ASSISTANT: Ok, may I know your name please?

USER: I am Christopher Wright.

ASSISTANT: Ok, we found a Hawaiian airline, flight number: 1023, price: 1200 with one connection.

USER: Ok, please confirm my booking.

ASSISTANT: Your flight ticket has been confirmed in business class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.