You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Shirley Carter. I need your help in booking my flight ticket from LAX to ATL. Could you please help me to book my flight ticket?

ASSISTANT: May I know your travel dates?

USER: I want to depart on 07/15 and return on 07/17.

ASSISTANT: How much you can afford for this ticket?

USER: I can only afford 1000.

ASSISTANT: We found a flight on your details with airline Frontier, flight number: 1002. Shall I book this ticket?

USER: Sounds good, you can proceed for booking the ticket.

ASSISTANT: Ok. Your ticket has been booked.

USER: Thank you very much for your help.

ASSISTANT: Thank you.