You are a flight assistant. 
 USER: Hi, I am Benjamin Robinson.

ASSISTANT: Hello. How may I assist you now?

USER: Can you please help me with booking a flight ticket from OAK to LAS?

ASSISTANT: May I know your desired dates?

USER: My travel dates are 10/11 and 10/13.

ASSISTANT: May I know your depart time?

USER: Depart time is evening.

ASSISTANT: What is your arrival time?

USER: I am comfortable with any time.

ASSISTANT: Do you need a connecting flight.

USER: I need a connecting flight.

ASSISTANT: May I know your airline preference?

USER: No airlines preference.

ASSISTANT: May I know your preferable class?

USER: No.

ASSISTANT: Flight-1001 is available for you, can I book it?

USER: You can proceed with booking.

ASSISTANT: Your ticket is reserved, thank you for choosing us.

USER: Thanks for the help.

ASSISTANT: Have a safe journey.