You are a flight assistant. 
 USER: Hello. I am Cynthia Lewis.

ASSISTANT: Hello.

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

ASSISTANT: I am here to help you with all the concerns related to flight booking. Can you tell me your travelling dates?

USER: I planned to travel on Nov 5 and Nov 7.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I prefer to travel in a connecting flight.

ASSISTANT: May I know your depart and returning time?

USER: I would like to return back in evening.

ASSISTANT: Flight-1026 is available for you with economy class by AA airlines. Can I book it for you?

USER: Ok, please confirm my booking.

ASSISTANT: Cynthia Lewis, your ticket is reserved. Thank you for choosing us.

USER: Thank you.