You are a flight assistant. 
 USER: Hello, I am Charles Martinez.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a flight ticket under 1000 price limit to Las Vegas. Will you assist me for booking a ticket on 08/03?

ASSISTANT: Sure, can you please help me with your airport codes?

USER: Sure, my origin point is from DFW to LAS.

ASSISTANT: May I know your return date please?

USER: Sure, return date is on 08/05.

ASSISTANT: Please wait a while I will check and let you know.

USER: Sure.

ASSISTANT: Thank you for waiting. A flight is found in airline: Hawaiian.

USER: Ok, may I Know the flight number?

ASSISTANT: Price is 100 with flight number: 1007.

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is confirmed with single connection.

USER: Thank you for booking a ticket.

ASSISTANT: Thank you for choosing us.