You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What help is required from my end?

USER: Susan Perez here. I would like to buy a ticket from LAS to EWR.

ASSISTANT: Sure Susan, can I know your preferable dates please?

USER: I prefer to leave on 09/08 to 09/10.

ASSISTANT: Give me a moment I will get back to you.

USER: Sure.

ASSISTANT: There is a flight for you with price 200. Shall I book it?

USER: Yes, proceed for booking.

ASSISTANT: Your ticket has been booked with flight number 1021 and airline is UA.

USER: Thank you for helping me in booking.

ASSISTANT: You are welcome. Thank you for approaching us.